Answer:
Explanation: When the other countries were not able to get influenced by the US diplomacy and foreign aid strategies they then used to take help of the military force to cover the many parts of the world.
They used several policies to lure in the other countries but some who didn't get influenced had to fight on the battleground. one such war was Korean war.
I am not sure but i think its the second one because it was all about arts
Revolutionary............................
Nationalism and imperialism encouraged each nation to pursue it's own in complete for power
May 24, 1819
Please correct me if I'm wrong!! :)