If you visit the Senate chamber during a session on an average day, you're most likely to find the session presided over by "A. the majority leader" since the Vice President only comes in on special occasions.
It makes it so that one person doesnt have complete power. yet as a whole the goverment is strong
During Jackson's time, the common white man was giving the right to vote. During reconstruction ( the period after the civil war ) voting could no longer be denied on race or color because of the 15 the amendment, but still only applied to men. Women got the right to vote with the 19th amendment in 1920.