Answer: the decision by the United States government to prevent additional settlement
Explanation:
What was meant by the "closing" of the Western frontier was that the United States government wanted to prevent additional settlement.
This decision was as a result of the government's plan to promote the westward expansion after the Civil War, but however, they had to close the Western frontier to prevent additional settlers.
Answer:
thank you thank you so much
Have a great day onwards ❤.
What do you mean by help settle the west
They were both presidents
They located in an area that traders could reach in a single season.