When did the first time did US grant right to vote to the women?

A. 1918
B. 1919
C. 1920
D. 1924

Explanation:

Under the leadership of Carrie Chapman Catt, the two-million-member NAWSA also made a national suffrage amendment its top priority. After a hard-fought series of votes in the U.S. Congress and in state legislatures, the Nineteenth Amendment became part of the U.S. Constitution on August 18, 1920.