Each of the following is an example of voluntary trade except

- a.) african slaves and indentured servant’s

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in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)

c. troops marched forward in close formation against newer, more accurate weapons

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.