USA HISTORY

Detailed explanation-1: -The United States responded to this growing threat by temporarily halting negotiations with Japanese diplomats, instituting a full embargo on exports to Japan, freezing Japanese assets in U.S. banks, and sending supplies into China along the Burma Road.

Detailed explanation-2: -Therefore they were stunned when the unthinkable happened and Japanese planes bombed the U.S. fleet at Pearl Harbor on December 7, 1941. The following day, the United States declared war on Japan, and it soon entered into a military alliance with China.

Detailed explanation-3: -On September 27, 1940, Japan signed the Tripartite Pact with Germany and Italy, thus entering the military alliance known as the “Axis.” Seeking to curb Japanese aggression and force a withdrawal of Japanese forces from Manchuria and China, the United States imposed economic sanctions on Japan.

Detailed explanation-4: -Responding to this threat, the United States placed an embargo on scrap metal, oil and aviation fuel heading to Japan and froze Japanese assets in the U.S. Furthermore, the U.S. demanded that the Japanese withdraw from conquered areas of China and Indochina.