H.6. History: Students shall analyze significant ideas, events, and people in world, national, state, and local history and how they affect change over time.
H.6.4.16. Continuity and Change: Describe how new forms of transportation and communication impacted the Westward Expansion of the United States (e.g., pony express, railroads, telegraphs).
H.6.4.19. Movement: Discuss the causes and effects of Westward Expansion (e.g., economic opportunity, resources, forced removal, unclaimed lands, religion).