Which of the following is a valid statement about the Electoral College?

It is a challenge to the value of federalism in the nation's government because it restricts the states' power.
It is a reason that increasing numbers of young adults are registering to vote and voting in elections yearly.
It is a solution to the problem of decreasing voter turnout nationwide to elections at all government levels.
It is a plan that framers of the nation's government made to balance the relative power between the states.