Question

How did America's actions in 1939 and 1940, especially the embargo of "strategic materials", encourage Japan to first sign the alliance with Germany and then bomb Pearl Harbor?

Answer 1

In 1940, Japan invaded French Indochina in an effort to embargo all imports into China, including war supplies that were purchased from the US. That move prompted the US to embargo all oil exports, which led the Imperial Japanese Navy (IJN) to estimate it had less than two years of bunker oil remaining and to support the existing plans to seize oil resources in the Dutch East Indies.

Step-by-step explanation: