Please help me Why was there a large increase in voters from the election of 1824 to the election of 1828?

A new law allowed the wealthy to cast two votes.
A new law allowed non-landowners to vote.
A new law allowed women the right to vote.
A new law allowed African Americans to vote.

How does the principle of federalism affect the u.s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d.it divides the federal and state governments into three branches