Westward Expansion Frederick Jackson ... The U.S. Army forcibly removed more than 15,000 Cherokees and marched them westward to "Indian Territory" in Oklahoma, ... • Map: From Coast to Coast ...

The Westward Expansion began with the Louisiana Purchase in 1803, which nearly doubled the size of the U.S., and was continued with the Florida Purchase Treaty in 1819.

Drawing his title from Lincoln’s 1858 “House Divided” speech, independent scholar Hyslop, author of several works on the American West, makes the case that in opening territories to slavery, westward ...