Answer:
The first known settlements in ancient India were in the Indus River valley. There were farming communities in this valley as early as 6500 B.C.E. By 5000 B.C.E., people also lived near the Ganges River. By 2500 B.C.E., there were walled settlements in the Indus River valley.
Explanation:
They check there answers using history, like they use primary sources etc.
Scientific Revolution came in when there are more people who are having discoveries, inventions and findings. It definitely gave the man another perspective of understanding occurrence and relationships among objects. Through Science people were able to determine that there are explanations behind everything.
Answer: b. Mao's political influence declined, as his policies had resulted in mass starvation" would be the best option from the list, but it should be noted that it took a while for Mao's influence to face, while the starvations happened immediately.
Explanation: