In what state was the KKK most powerful in the 1920s

#1 im pretty sure its a.

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.

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same