Well, that and Japan was actively murdering massive amounts of people in China.
It was a calculated strategy to stop supporting the Japanese genocide machine.
The Rape of Nanjing made international news. That turned the average US voter against Japan, but the embargo (not a blockade) started after Japan invaded French Indochina (Vietnam) in 1940.
The Embargo was just the US saying that no US owned oil would be sold to Japan.
Well, that and Japan was actively murdering massive amounts of people in China.
It was a calculated strategy to stop supporting the Japanese genocide machine.
The Rape of Nanjing made international news. That turned the average US voter against Japan, but the embargo (not a blockade) started after Japan invaded French Indochina (Vietnam) in 1940.
The Embargo was just the US saying that no US owned oil would be sold to Japan.