The National Association Opposed to Woman Suffrage (NAOWS) formed in 1911 in New York in opposition to the Susan B. Anthony Amendment, which became the 19th Amendment to the U.S. Constitution that prohibited both state and federal government from denying any citizen the right to vote based on gender. NAOWS coordinated the anti-suffrage activities of individual state organizations and sent speakers, funds, and literature to campaigning states in order to educate the public in the belief that women were more useful to their communities without the right to vote. This organization was active until 1920, when the 19th Amendment was ratified.