Back in the day japan started it in 1980
sorry dude ik it but its too long like too long
He declared war because the American "Infidels" invaded the Holy Land. He meant that because of the American occupation of Iraq and because it also occupied surrounding areas. So that's why he believed that he was in a "Holy" war to get the Holy Land back.
C.) The United States would remain neutral in any European wars. Only if directly threatened would the United States become involved, and the. The nation would only defend itself