-
when the Union was thrown into a civil war, westward expansion slowed down between 1861 and 1865.
-
mail delivery system that reached from the Midwest all the way to California.
-
gave settlers 160 acres of land after completing a series of steps. act was a government initiative to expand the Frontier by populating the west.
-
U.S army murder 150 Cheyenne Indians. Because of westward expansion, some pioneers felt the Native Americans were in the way of their settling the state.
