What did agriculture look like in each ancient river civilization? (Mesopotamia, Egypt, Indus river valley, China)

to contain the wave of communism

its many islands, high mountains, and remote peninsulas isolated population centers.

the option which was not a function of missionaries in the northwest was the first one - they established posts for trading furs and other goods.

missionaries were sent around the world to spread religion and their knowledge and others - they were not merchants who sold furs and other goods.