I think its all of the above
The correct answer is B) trade disputes
The United States wanted to pursue a policy of remaining neutral during the Napoleonic period, but eventually became involved in the European conflicts. This resulted because both the French and English challenged American neutrality by disrupting trade
To regulate commerce with foreign nations,and among the several states, and with Indian Tribes
Answer:
Its leaders knew it could not win the war. The United States, the British Empire, and China had called for the unconditional surrender of the Japanese armed forces in the Potsdam Declaration (July 1945) but Japan didn't.