In the new United States: A. women could vote.
B. all slaves were freed.
C. the nation was committed to religious freedom.
D. All of these choices are correct.

Pretty sure it's D

Explanation:

If it means nowadays by "new united states" then it should be all of them are correct.

c.

worked constantly and gave many sincere speeches about the importance of independence

the us constitution is a living document, meaning that it can be changed over time as the country changes.