C. Many women replaced men in jobs on farms and in factories.
They were needed badly due to shortage of men. World War 2 saw epic destruction level and the mobilization of more than 100 million soldiers which resulted in the shortage of workers at factories and farms back home. So women were offered the domestic duties.
Intragroup.
An intragroup conflict is a conflict that takes place between one sector or group. The group being the United States, so their was a conflict inside the United States which makes it intragroup.
1. West Africa before the Portuguese was a thriving region. There were several kingdoms that were very wealthy, and the main reason for that was that they had lot of natural resources and the trade. These kingdoms were conducting the majority of the trade between Northern Africa and sub-Saharan Africa, so they were able to gain lot of wealth from the countless goods that were traded through their territories.
2. Europe after the Crusades experienced a real ''boom'' in the trade, thus in its economy as well. Through the Crusades, the Europeans were introduced to lot of goods from the Middle East and the rest of Asia. Lot of those goods were very useful or attractive, so the Europeans gradually started to engage in trade with Asia more and more, with the pinnacle of this trade being during the existence of the Mongol Empire.
3. America before Columbus was much more limited when it came to trade and commerce. Unlike the Old World, the civilizations in the New World were engaging into trade only with the civilizations that surrounded them, thus it was more locally or regionally. The majority of the people were still mostly producing goods just about enough to sustain themselves, so they were not engaging into a large scale trade with places further away.
An urban area that controls neighboring farmland but is not under the control of any empire or another government is called as the city-state. The city-state is like a small country that governs small city or cities and is not being managed by another government.
China had a dynasty for awhile and the other person is wrong