What is the greatest risk Germany took by establishing this policy?

wasting its energy chasing down passenger ships
harming innocent people and making new enemies
angering the British by denying them war supplies
failing to prevent delivery of supplies by other routes

answer; i believe its (jade); good luck

lol, i think so.

explanation:

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.

probably that america is racist