16000 slaves were in the united states
census [NovaNet]
The Constitution of the United States
bill Clinton was the most recent-he went to oxford .
The Missouri compromise was in 1820
The size of the 1820 United States dollar bill was approximately seven inches by 3 inches. The dollar bill is smaller in 2014.
50
435 legislaters
because United states :Unites
50 states in the unites states :D
100
It depends on what unites states you speak of.
There were 16 free states
50 stars represent the fifty states
The United States' area is about 2,429,900,000 acres.
3 legislative judicial executive
There are fifty governors -- one for each state.
Maine became the 23rd state in March 1820.