Answer:
They provided fresh water and fertile soil for farming. How did geography affect the movement of people, goods, and ideas in ancient East Asia? It kept trade and cultural exchange mostly among groups within China. The area provided supplies of fish, farmland, and fresh water.
Because they had coordinated houses that were beautifully designed and had the houses made in graphs
They realized that they did not have enough people to do all of the work of establishing a colony. That's hard work, for like 400 people! This sparked the massive slave trade of the 1500 slave trade.
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