How did westward expansion impact democracy in the United States?

a. resulted in the ability of women to vote and hold office

b. decreased the number of Americans who were able to vote

c. increased the number of Americans who were able to vote

d. led to greater ethnic diversity amongst elected office holders

Option C is the right answer.

Explanation:

Increased the number of Americans who were able to vote.

America claimed control over large expanse of lands in the west due to its belief that it's the will of Almighty. Andrew Jackson was the president during Jacksonian period. He became famous for expanding the voting rights of the people and expanding the borders of America.

He was the one believed that a common man must be involved in democratic processes of a Government. His ideology gained much support in the country and based on his ideologies, gradually the rise of Democratic Party came into existence.

During his period, westward expansion paved way for gold rush and it made many Native Americans to forcibly migrate to the lands in west.

Increased the number of Americans who were able to vote

Explanation:

when the western states were added, it generated an increase of more than 15% of the population that the US had and among the agreements made with the different territories, they accepted the federal government and could vote in the elections to choose their respective representatives, which were mostly from the big cities