The correct answer is a) caste.
In India, the division of kin groups in Jatis is not based on a specific principle, varying from ethnic origins to geographical occupation, exhibiting some variance. While the Jatis have not presented a fixed hierarchy, they present notions of a rank achieved over time considering lifestyle and social, political or economic status and considering the fact that the caste has a direct impact in these factors, we understand why it is the more relevant idea.
North Vietnam (aka communist Vietnam) gaining control of the government, and caused American troops to leave Vietnam
Nelson Rohihlahia (stirring up trouble) Mandela was born on 18 July 1918, near Umtata, in the Transkei region of South Africa. His father was Chief Henry Mandela of the Tembu Tribe. Mandela was trained to become the next chief to rule his tribe, but he was also a determined student and eventually joined an all black college, Fort Hare, where he was expelled for joining a student boycott. He later obtained an arts degree in Johannesburg and studied law at the University of Witwatersrand.<span>
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The correct answer should be the <span>Chinese Communist Revolution. The communists in China believed that all bad things in China came from it's lengthy imperial government that's been there for millennia. They believed that it made China backwards and they decided to abolish more or less everything that was in any way connected to social status or classes or to the former system of government.</span>
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D the correct answer I think