What physical features and climates made
building the transcontinental railroad
difficult?

Why did the german kingdoms unite into one nation of germany?

During wwi, literacy tests were used to control immigration, which marked a return of what type of ideology in some americans?

What was one major difference between benito mussolini and adolph hitler? o a. hitler was more willing to use violence to secure power than mussolini. o b. hitler made racism central to his political ideology earlier than mussolini. o c. hitler was more supportive of communism and socialism than mussolini. o d. hitler followed the philosophy of militarism more strictly than mussolini.