I had this before I'm pretty sure its D
Answer:
One of the most notable instances of American imperialism was the annexation of Hawaii in 1898, which allowed the United States to gain possession and control of all ports, buildings, harbors, military equipment, and public property that had belonged to the Government of the Hawaiian Islands.
Explanation:
I would argue that the primary difference was the introduction of nuclear weapons after WWII--meaning that the spread of communism could actually take over the world as opposed to just causing unrest in the US.
Answer:
It ended the labor shortage, as war veterans went to work on the railroad.
Explanation:
