How did the economic impact of the homestead act contribute to close of the frontier in the late 19th century?

The economic impact brought on by the Homestead Act, at the onset, increased expansion into the westward territories as people failed to see the benefits of going. This led to a close of the frontier is it started to become too heavily populated by people looking for opportunities.

A. democrat, republican, whig, other.(the democratic and republican parties are the main 2 american political parties, the whig party was popular among the early presidents, and the “other” option allows for outliers)