Can somebody explain to me how historical events can relate to current events. Thanks

Certain events can cause life to change. For example, if all the women's rights protests never happened, we would live in a very traditional world, rather than our current progressive one.

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.

i would say that the politicial parties from state to state varies.