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Languages
A language is a system used to facilitate communication among higher animals and/or computers. This article is about the fundamental features typically found in nearly all natural human languages. For information about artificial languages specifically for computers, please see instead machine code. Higher animals believed to employ audible language only, without symbols, include, but are not limited to, dolphins and whales. For information about this subject, please see "Animal communication" instead


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Minorities
A minority or subordinate group is a sociological group that does not constitute a politically dominant plurality of the total population of a given society. A sociological minority is not necessarily a numerical minority — it may include any group that is disadvantaged with respect to a dominant group in terms of social status, education, employment, wealth and political power. To avoid confusion, some writers prefer the terms "subordinate group" and "dominant group" rather than "minority" and "majority".

In socioeconomics, the term "minority" typically refers to a socially subordinate ethnic group (understood in terms of language, nationality, religion and/or culture). Other minority groups include people with disabilities, "economic minorities" (working poor or unemployed), "age minorities" (who are younger or older than a typical working age) and sexual minorities (whose sexual orientation or gender identity differs from the sociological norm).
The term "minority group" often occurs alongside a discourse of civil rights and collective rights which gained prominence in the 20th century. Members of minority groups are subject to differential treatment in the society in which they live. This discrimination may be directly based on an individual's perceived membership of a minority group, without consideration of that individual's personal achievement. It may also occur indirectly, due to social structures that are not equally accessible to all. Activists campaigning on a range of issues may use the language of minority rights, including student rights, consumer rights and animal rights. In recent years, some members of social groups traditionally perceived as dominant have attempted to present themselves as an oppressed minority, such as white, middle-class heterosexual males.
Studies have consistently shown a correlation between negative attitudes or prejudice toward minorities and social conservatism (as well as the converse, positive attitutes and social progressivism).[2] Minority groups in history, include Jews under Nazi Germany and African Americans in the Jim Crow period


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English
World science is dominated today by a small number of languages, but English which is probably is the most popular global language of science and of modern technology that because many reason: first it is international language and the majority of country used it as their home language, In addition to that you can understand what happen in the world, in the other hand you can understand the new technology, moreover we see that the people that speak more than two language have a chance to get a better job than the other people who can speak just one. And also it is very important to student who want finish their Hight study in university.
Finally English will become more important in the future and more using in all things

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Leiure

. What i do in my free time ? Well, i like to exercise and sports, especially Karate. Just the same, i like to watch a football match or a good film sometimes.
Music- now that`s somethingi like as much as sport. I very often listen to music on the radio.but what i lke best is reading books on biology,chemistry and physics. These are my favourite subjects at school.what about friends? Ilike to be with them on Saturday

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racism
Racism or racialism is a form of race, especially the belief that one race is superior to another. Racism may be expressed individually and consciously, through explicit thoughts, feelings, or acts, or socially and unconsciously, through institutions that promote inequality between races..
In the 19th century many legitimized racist beliefs and practices through scientific theories about biological differences among races. Today, most scientists have rejected the biological basis of race or the validity of "race" as a scientific concept. Racism, then, becomes discrimination based on alleged race. Racists themselves usually do believe that humans are divided into different races.
There are two main definitions of racism today. One of them states that racism is dicrimination based on alleged race, the other - newer - one states that racism has started to include also discrimination based on religion or culture


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2-women
Millions of women throughout the world live in conditions of abject deprivation of, and attacks against, their fundamental human rights for no other reason than that they are women.
Combatants and their sympathizers in conflicts, such as those in Sierra Leone, Kosovo, the Democratic Republic of Congo, Afghanistan, and Rwanda, have raped women as a weapon of war with near complete impunity. Men in Pakistan, South Africa, Peru, Russia, and Uzbekistan beat women in the home at astounding rates, while these governments alternatively refuse to intervene to protect women and punish their batterers or do so haphazardly and in ways that make women feel culpable for the violence. As a direct result of inequalities found in their countries of origin, women from Ukraine, Moldova, Nigeria, the Dominican Republic, Burma, and Thailand are bought and sold, trafficked to work in forced prostitution, with insufficient government attention to protect their rights and punish the traffickers. In Guatemala, South Africa, and Mexico, women's ability to enter and remain in the work force is obstructed by private employers who use women's reproductive status to exclude them from work and by discriminatory employment laws or discriminatory enforcement of the law. In the U.S., students discriminate against and attack girls in school who are lesbian, bi-sexual, or transgendered, or do not conform to male standards of female behavior. Women in Morocco, Jordan, Kuwait, and Saudi Arabia face government-sponsored discrimination that renders them unequal before the law - including discriminatory family codes that take away women's legal authority and place it in the hands of male family members - and restricts women's participation in public life

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internet

The Internet is a worldwide, publicly accessible network of interconnected computer networks that transmit data by packet switching using the standard Internet Protocol (IP). It is a "network of networks" that consists of millions of smaller domestic, academic, business, and government networks, which together carry various information and services, such as electronic mail, online chat, file transfer, and the interlinked web pages and other documents of the world wide web.
The USSR's launch of Sputnik spurred the United States to create the Advanced Research Projects Agency, known as ARPA, in February 1958 to regain a technological lead.[1][2] ARPA created the Information Processing Technology Office (IPTO) to further the research of the Semi Automatic Ground Environment (SAGE) program, which had networked country-wide radar systems together for the first time. J. C. R. Licklider was selected to head the IPTO, and saw universal networking as a potential unifying human revolution.
Licklider had moved from the Psycho-Acoustic Laboratory at Harvard University to MIT in 1950, after becoming interested in information technology. At MIT, he served on a committee that established Lincoln Laboratory and worked on the SAGE project. In 1957 he became a Vice President at BBN, where he bought the first production PDP-1 computer and conducted the first public demonstration of time-sharing.
At the IPTO, Licklider recruited Lawrence Roberts to head a project to implement a network, and Roberts based the technology on the work of Paul Baran who had written an exhaustive study for the U.S. Air Force that recommended packet switching (as opposed to circuit switching) to make a network highly robust and survivable. After much work, the first node went live at UCLA on October 29, 1969 on what would be called the ARPANET, one of the "eve" networks of today's Internet. Following on from this, the British Post Office, Western Union International and Tymnet collaborated to create the first international packet switched network, referred to as the International Packet Switched Service (IPSS), in 1978. This network grew from Europe and the US to cover Canada, Hong Kong and Australia by 1981.
The first TCP/IP-wide area network was operational by January 1, 1983, when the United States' National Science Foundation (NSF) constructed a university network backbone that would later become the NSFNet.
It was then followed by the opening of the network to commercial interests in 1985. Important, separate networks that offered gateways into, then later merged with, the NSFNet include Usenet, BITNET and the various commercial and educational networks, such as X.25, Compuserve and JANET. Telenet (later called Sprintnet) was a large privately-funded national computer network with free dial-up access in cities throughout the U.S. that had been in operation since the 1970s. This network eventually merged with the others in the 1990s as the TCP/IP protocol became increasingly popular. The ability of TCP/IP to work over these pre-existing communication networks, especially the international X.25 IPSS network, allowed for a great ease of growth. Use of the term "Internet" to describe a single global TCP/IP network originated around this time.


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Terrorism
Terrorism is a term used to describe violence or other harmful acts.they are classified terrorism into six categories.Civil Disorders.Political Terrorism .Non-Political Terrorism.Quasi-Terrorism.Limited Political Terrorism .Official or State TerrorismTerrorist attacks are often targeted to maximize fear and publicity. They usually use explosives or poison, but there is also concern about terrorist attacks using weapons of mass destruction. Terrorist organizations usually methodically plan attacks in advance, and may train participants, plant "undercover" agents, and raise money from supporters or through organized crime. Communication may occur through modern telecommunications, or through old-fashioned methods such as couriers.The context in which terrorist tactics are used is often a large-scale, unresolved political conflict.
The type of conflict varies widely; historical examples include:
Secession of a territory to form a new sovereign state
Dominance of territory or resources by various ethnic groups
Imposition of a particular form of government, such as democracy, theocracy, or anarchy
Economic deprivation of a population
Opposition to a domestic government or occupying army


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A revolution
A revolution (from Late Latin revolutio which means "a turn around") is a significant change that usually occurs in a relatively short period of time. Variously defined revolutions have been happening throughout human history. They vary in terms of numbers of their participants (revolutionaries), means employed by them, duration, motivating ideology and many other aspects. They may result in a socio-political change in the socio-political institutions, or a major change in a culture or economy. Scholarly debates about what is and what is not a revolution center around several issues. Early study of revolutions primarily analyzed events in European history from psychological perspective[citation needed], soon however new theories were offered using explanations for more global events and using works from other social sciences such as sociology and political sciences. Several generations of scholarly thought have generated many competing theories on revolutions, gradually increasing our understanding of this complex phenomenon