The idea for the removal of Native Americans was first brought up by Thomas Jefferson, who wanted the natives to willingly leave the colonies. The act gave Jackson the authority to offer the native nation's land west of the Mississippi in exchange for their eastern lands. It also provided money for the law to be carried out. When some tribes refused to sign the treaties, they used physical force to remove them, hence the Trail of Tears.
The name for the process of determining the number of seats to which each state is entitled in the U.S. House of Representatives is "<span>apportion," although it is also known as "defining districts". </span>