Columbus took enough supplies on his first voyage to last approximately

the us constitution is a living document, meaning that it can be changed over time as the country changes.

an earnest tone.

because portia wants to know why brutus has been acting strange lately.

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.