Memory Westward ExpansionVersion en ligne Chapter 4: Western Expansion --> Jones Social Studies par Anthony Jones barrios The belief that the United States should be "sea to shining sea" A law that encouraged western migration. A person who continually moves place to place. assimilate Created to negotiate peace with Plains Indian tribes and the white man Manifest Destiny dry farming A way of farming where the seed is planted deep in the ground. nomad A name given to Great Plains farmers Long Drive sodbuster to absorb a group of people into a culture. A town undergoing a sudden population increase Homestead Act boomtown A Spanish-speaking quarter in a southwestern town. Indian Peace Commission to drive cattle long distances for great profits.