<span>The biggest problem with the OPA during WWII was controlling prices. Prices were soaring and keeping them down was the biggest problem they faced.</span>
The river Nile left behind rich soil when it flooded. So the correct option for the given question is option "B". The river Nile brought with it very rich soil from other places and deposited them in the flood plains. when the flood water receded, the farmers were able to cultivate the land and get a rich vein of crops for feeding all the people making up the civilization near the river banks of Nile. Every year, with new flooding of the plains, new rich soil is brought abd deposited. The farmers are able to reap great crops in the flood plains of the river Nile every year due to this reason.
A. Cotton gin
The South was based on agriculture, which means lots of cotton was produced. The cotton gin is a machine which made this much easier.
The aftermath of World War II was the beginning of an era defined by the decline of the old great powers and the rise of two superpowers: the Soviet Union and the United States of America.
The unemployed was helped. The reason why is because when Roosevelt (who gave the new deal) became president, America was in the Depression.