D.
The rest seem wrong.
It could be B though
The Gulf of Tonkin Resolution was created and used during the Vietnam War. The resolution gave the president nearly unlimited control over the U.S. military.
The name for this idea is "Domino Effect" - this is a theory that says that if one country falls to Communism the neighboring countries would also fall to Communism, much like pieces of Dominos fall when a neighboring piece fell.
This theory was important in the Foreign politics of the US during the cold war.
Answer:
i went over these a few days ago
Explanation:
1917
Nov 7, 1917 – Nov 8, 1917 october revolutions
Mar 8, 1917 – Mar 16, 1917 february revolutions
United Nations, Great Britain, France
