10. What were the motivations and goals for the mass
murders/genocides that occurred in the Soviet Union, China, and
Cambodia?

The motivations were mostly political and were done by the communist regimes established in those countries, with purpose of detaining their political enemies.

Explanation:

In all of these countries in different period totalitarian regimes were established. As the regimes were strict they opposed every possibility of opposition in that country. The most notable example are the mentioned ones, although only in Soviet Union millions of people were killed during Stalin's regime.

the correct answer is a) egypt and china.

egypt and china are two of the world’s oldest civilizations known by man. both ancient empires have left a great historic and cultural legacy to the world through archeology. both civilzations developed complex social relations, had deep religious beliefs, had dominion of agriculture and left writing records to understand their customs and culture.

among the requirements to consider a civilization, we find urbanization, writing records, a place of residence, agriculture methods, technological specialization, means of transportation, currency, population density, social stratification, and political integration.