Which revolution in the americas is considered the most peaceful

"Canada "

In 1931 the British Parliament passed the Statute of Westminster, which gave each domain the opportunity for almost complete legislative independence from London. While Newfoundland never adopted the statute, for Canada, the Statute of Westminster became its declaration of independence.

nativists tried to get rid of the immigrants as they thought they were going to ruin the u.s.  

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.