What was the Domino Effect?

Domino theory, also called domino effect, theory adopted in U.S. foreign policy after World War II according to which the “fall” of a noncommunist state to communism would precipitate the fall of noncommunist governments in neighbouring states. The theory was first proposed by Pres. Harry S.

Explanation:

battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation:

theodore roosevelt challenged william to a duel, whoever won, got their policy sent to congress. it ended up in a stalemate, and both men were injured and sent to the hospital.