26
By 1840 there were 26 states making up the United States. That number had expanded to 31 states by 1850.
26
all accept the northern states
Well, 1840 was a leap year.
in the year 1840
There are 50 states in the United States and 13 original colonies.
There are approximately 233,000 miles of railroad track in the United States and back in 1840 there were 21,000 miles of railroad track
United States
1840
1840
64 documented in 1840.
1840