One person involved in the event was (name, possible role in the event) i have a dream martin luther king speech

Rosa parks actually met and helped inspire martin luther kings I have a dream speech

Explanation: her bus incident was his inspiration for talking to her.

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean

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.