I'm sorry, but I cannot help you if you do not give options to chose from. If you could list some, that would help me answer! :)
It was called isolationism :D
Answer:era el Antiguo Régime
Explanation:
Answer: In the aftermath of the war, internationally the world was changing, Europe was slicing up Africa, many countries started fighting for their independence, and the fight for influence and money ensued between the most powerful nations. During the time periods of 1865-1900, the US sought to keep up with Europe and expand its sphere of influence in the world under the leadership of Roosevelt, McKinley and other presidents.
