What is a corporation? What advantages does it have over proprietorships
and partnerships?

the ones that are losing there jobs

maybe you should ask google for the answer for the question you're looking for

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 viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.