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