A treaty sent the Cherokee west. Andrew Jackson thought that time of year, being winter, which are usually mild going through Tennessee was the appropriate time. He was wrong. It was a very harsh winter and about half of them perished on the journey. Hence the name Trail of Tears.
Because it is the worst thing that happened to the native people they had to be forced to the reservation, they walk miles just to get there with no food and water or shelter so they could take over there land.
Answer: It prevented states from establishing similar monopolistic transportation laws, encouraging growth of steamboat travel and cargo shipping. This expanded trade opportunities between states, boosting states' economies.
It stemmed from the annexation of the Republic of Texas by the U.S. in 1845 and from a dispute over whether Texas ended at the Nueces River (the Mexican claim) or the Rio Grande (the U.S. claim).
