The secession of Southern States led to the establishment of the Confederacy and ultimately the Civil War. It was the most serious secession movement in the United States and was defeated when the Union armies defeated the Confederate armies in the Civil War, 1861-65. Hope this helps, good luck! :)
The new settlers would make war or take their land and food.
Or they could've cause the Mexican to come of their land.
A
They reduced tension in the Middle East
One of the main problems with the Indian reservation system was that government agents dealt dishonestly with American Indian families.
An Indian reservation is a legal designation for an area of land managed<span> by a </span>Native American tribe<span> under the </span>US Bureau of Indian Affairs, rather than the state governments of the United States<span> in which they are physically located. </span>
The correct answer between all the choices given is the second choice or letter B. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.