Which amendment gives women the right to vote?

The Nineteenth Amendment is the amendment that grants women the right to vote. Ratified in 1920, it states explicitly that the right to vote shall not be denied or abridged on account of sex. This amendment was the culmination of a long struggle for women's suffrage in the United States, driven by the tireless efforts of activists and reformers who campaigned for many years to secure equal voting rights for women.

The Fifteenth Amendment, while it addresses voting rights, is specifically focused on prohibiting the denial of the right to vote based on race, color, or previous condition of servitude, and it does not mention gender. The Twentieth Amendment deals with terms of office for the President and Congress, and the Thirteenth Amendment abolished slavery and involuntary servitude, which are not directly related to voting rights. Therefore, the Nineteenth Amendment is the correct choice as it specifically pertains to women's suffrage and their right to participate in elections.