The start of the Second Sino-Japanese War, in 1937, generated friction between the Japanese Empire, the United States and the British Empire. The United States and the United Kingdom reacted to the Japanese military actions in China by imposing an embargo on raw metal followed by oil also sent covert military aid to the Kuomintang government. When Japan occupied Indochina, a French colony in 1940, the Western powers responded with an asset freeze and the closure of the Panama Canal to Japanese ships. Oil was especially important for Japan, they have a lacking of oil resources. These measures threaten to strangle the Japanese economy, so that diplomatic negotiations began to lift. Diplomatic
The start of the Second Sino-Japanese War, in 1937, generated friction between the Japanese Empire, the United States and the British Empire. The United States and the United Kingdom reacted to the Japanese military actions in China by imposing an embargo on raw metal followed by oil also sent covert military aid to the Kuomintang government. When Japan occupied Indochina, a French colony in 1940, the Western powers responded with an asset freeze and the closure of the Panama Canal to Japanese ships. Oil was especially important for Japan, they have a lacking of oil resources. These measures threaten to strangle the Japanese economy, so that diplomatic negotiations began to lift. Diplomatic