Final answer:
Women in America obtained the right to vote nationally in 1920 with the ratification of the 19th Amendment.
Step-by-step explanation:
The correct answer is option C. Women in America obtained the right to vote nationally in 1920 with the ratification of the 19th Amendment to the U.S. Constitution. This amendment granted women the right to vote and represented a significant milestone in gender equality.
Learn more about Women's suffrage in America