Which area of the US do you think was most difficult to buld track across and why

What was the nickname for the progressive party of 1912

What event brought the us into wwii? what conflicts happened after the us entered the war? i know the first part of this question, i need with the second part.

What problem did the business leaders have with the roosevelt administration's policies? too much for tenant farmers not enough deficit spending too much deficit spending not enough for tenant farmers