Answer:
There are two bases of the Indian social division into castes. The castes system has been consolidated and fed by religious practices. Ancient Hindu texts speak about four castes or profession: brahmins (priests), warriors, merchants and workers. Brahmins were at the top of society, the elite. The other source is simply social practice. There are still several groups that are seen as inferior , the "untouchables" just like the dalits; they perform the lowest and dirtiest jobs. Though castes don´t exist formally in Indian law, they exist in reality and social and racial divisions run still deep in India.
Explanation:
Prohibit the massive immigration of mainly intellectuals into more prosperous west Berlin, thereby safeguarding the power and control of the east German government and the community bloc there.
North Vietnam (aka communist Vietnam) gaining control of the government, and caused American troops to leave Vietnam
