
By August 1941, US was no longer Japan's largest trading partner....due to embargo
https://www.history.com/this-day-in-his ... ese-assets
https://www.e-education.psu.edu/egee120/node/239
One wonders if Japan was not oil-embargo-ed, would they have needed Borneo oil, and for which would they have needed to neutralize Singapore and Philippines, and finally would that have meant no Pearl Harbor