Which statement describes the impact of the american revolution on europeans?
a)it demonstrated that alliances were not important in a war of independence
b)it offered monarchies a useful precedent for explaining their territories and power.
c)it showed a colonial revolt could produce a nation based on popular sovereignty d)it provided a strong example of how to swiftly suppress colonial dissent

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make 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.

the exclusive possession or control of the supply or trade in a commodity or service.