Answer/Explanation:
The three countries that signed the Tripartite Pact in 1940 were:
A. Germany, Italy, and Japan
These three countries signed the pact to establish a military alliance during World War II. The pact aimed to support each other in case of attack by the United States or the Soviet Union. Germany, under Adolf Hitler, Italy, led by Benito Mussolini, and Japan, under Emperor Hirohito, were the signatories of this agreement. It solidified their cooperation and coordination in military and economic matters during the war. This alliance played a significant role in shaping the events of World War II.
