Hi there!
The innovation that had the greatest impact on westward migration was d. transcontinental railroad.
Answer:
many African Americans were elected to office at all levels.
Explanation:
The Voting Rights Act was passed in 1965 by the Congress. The voting rights act ensured there was no discrimination in the voting process as a result of race , tribe and literacy levels.
When the Act was passed there was a high increase in the number of Africans Americans elected into various offices and posts in the country which was the turning point in the country in terms of inclusiveness of all races.
Many of our scientific ideas come from Ancient Greece :)
D settlers took over the lands of the natives to be able to hunt the beaver and other animals used for furs.