Why did three times as many people vote in the presidential election of 1828 as voted in 1824?
a:By 1828,women had gained the right to vote in some states
b:By 1828, all white men had the right to vote in most states
c:The United States had twice as many states in 1828 as it had in 1824
d:The candidates in 1828 were more interesting than those in 1824