Susan B. Anthony devoted her life to fighting for women's suffrage after becoming involved in the abolition and temperance movements as a young woman. With Elizabeth Cady Stanton she founded the National Woman Suffrage Association in 1869. She organized, lectured, petitioned and wrote on the subject of women's enfranchisement throughout her long career of social and political activism. Anthony maintained a correspondence about the history and progress of the suffrage movement with Mt. Holyoke professor Anna May Soule, who taught American History and Political Economy from 1896 to 1905. Anthony died in 1906, fourteen years before the 19th Amendment, also known as the Susan B. Anthony Amendment, was finally ratified in 1920.