Answer:
H - The Panama Canal
, The Platt Amendment
I - Before the Spanish-American War
, The Monroe Doctrine, Early Part of WW1
W - War on the Central Powers
, The Open Door Policy
Explanation:
- Since Monroe's doctrine United States proclaimed the non-interference in affairs of other countries.
- Until 1917 United States didn't interfere much in conflicts of other countries.
- That changed with the Spanish-American War
, which is a good example of American imperialism.
- Even when WW1 broke out Americans waited until 1917 to enter the war.