The dynasty that restored unity to China after Shi Huangdi's government crumbled was the Zhou Dynasty
Willhelm Wundt, the founder of the Leipzig Laboratory at Leipzig University, made his laboratory for the general study of PSYCHOLOGY.
The answer you are looking for is B
Answer:
B
Explanation:
Because the Americans had vast sums of gold and sugar people were needed to harvest and mine them and when the Native Americans weren't enough they traded guns and other materials for slaves.
