Why did congress pass the indian removal act in 1830?

The main purpose of the Indian Removal Act was to remove Native American tribes to territory west of the Mississippi River in order to allow white settlers to settle on their land. The Act was signed into law and strictly enforced by Andrew Jackson on May 28, 1830. However, even at that time period, it was extremely controversial. The Cherokee were one of the groups that most opposed to this act, by they were eventually forcible removed by the government.

the answer is c. many americans held nativist or racist views

where are the statements?