Which amendment to the U.S. Constitution was ratified to ensure women's right to vote?

The 19th Amendment to the U.S. Constitution was ratified in 1920 specifically to guarantee women the right to vote. This significant amendment marked a pivotal moment in the women's suffrage movement, which had been advocating for women's voting rights for several decades. The passage of the 19th Amendment mandated that the right to vote could not be denied or abridged on the basis of sex, thereby formally recognizing women's status as equal participants in the democratic process.

The historical context surrounding the 19th Amendment reflects a long struggle for equality, with activists employing various strategies, including marches, protests, and civil disobedience. It is essential to recognize the commitment and resilience of suffragists such as Susan B. Anthony, Elizabeth Cady Stanton, and many others who fought tirelessly for this fundamental right.

In contrast, the other amendments mentioned in the options do not pertain to women's voting rights. The 15th Amendment, ratified in 1870, prohibits denying the right to vote based on race, but it does not address gender. The 21st Amendment, ratified in 1933, repealed Prohibition, and the 24th Amendment, ratified in 1964, addressed poll taxes in federal