2. What factors was responsible for the collusion course in the Pacific between Japan and the United States?

Japan's process of imperial expansion, however, put it on a collision course with the United States, particularly in relation to China. To a certain extent, the conflict between the United States and Japan stemmed from their competing interests in Chinese markets and Asian natural resources. Hope this answer helps.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

i think they came to washington to protest