What were a few of the major hurdles that America had to overcome?​

The Great Depression, the stock market crash of October 1929.

Explanation:

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it is the code of hammurabi

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.