Answer: At the time, there were 22 states
<span>October 29, 1929 was black Tuesday the start of The Great Depression.</span>
The railroads had a much greater Impact on America than the canals and steamboats, as these allowed you to cross the country much, much quicker. This also allowed food, mainly cattle to be transported, without the flesh rotting. It also had a big Impact on the Native Americans, as this went through a lot of their land.
Hope this helps
(1) Claimed that individual states have the right to interpret federal laws.