Which of the following best explains how the Northwest Ordinance of 1787 had an impact on westward expansion in the United States?
It granted women the right to vote new territories.
It established procedures for how territories could become states.
It prohibited slavery in all newly acquired territories.
One of the ways in which the Northwest Ordinance of 1787 had an impact on westward expansion in the United States was that "It established procedures for how territories could become states," which had huge implications for the future os slavery.