Due to the Kansas-Nebraska
B. rust belt is the right answer
Explanation:
Egyptian civilization developed along the Nile River in large part because the river's annual flooding ensured reliable, rich soil for growing crops. Repeated struggles for political control of Egypt showed the importance of the region's agricultural production and economic resources.
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Both had the economy booming, meaning they were both thriving with new homes, cars, and a lot of wealth. but in the 1950s were also an era of great conflict. For example, the nascent civil rights movement and the crusade against communism