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.
There are fifty governors -- one for each state.
3 legislative judicial executive
Maine became the 23rd state in March 1820.