Answer: China has a very diverse geographical landscape and this impacted ancient civilization considerably.
Explanation: Chinese civilization started in the valleys of the Yellow River and the Yangtze River because of the fertile silt deposits there that facilitated agriculture and subsequently led to the rise of dynasties.
In addition, diseases brought by Europeans raged throughout the New World where people had no resistance, killing tremendous numbers of natives. Columbus's voyages also led to negative effects in Africa. Eventually, Europeans who came to the Americas decided that they needed labor to work their American plantations.
It was b. Farmers moved to cities to look for factory jobs, which were unsafe, with long hours
