The answer is most likely D. Refused aid to any nation at war. If the U.S. remained neutral, it would not have to worry about going to war/being attacked by a nation at war with another.
Hope this helps! Brainliest is always appreciated!
Just search it up on g00gle lol
George Washington had warned the American people against “the insidious wiles of foreign influence.” President Monroe, writes Arnold Whitridge, further developed “the thesis of non-entanglement.
I believe the Zimmerman Telegram. America received a coded message from Mexico, which wasn't so nice.