According to the 19th-century concept of manifest destiny, who should possess the North American continent?

i and iii hope this : )

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.

a direct vote in which an entire electorate is invited to vote on a particular proposal. this may result in the adoption of a new law.  

polticians and sentates thought to annoucne the fialre of articles of confedartion by making a centralized nation as a hole