Who were some key figures in the women's suffrage movement?

The correct answer highlights Susan B. Anthony and Elizabeth Cady Stanton, who were pivotal figures in the women’s suffrage movement in the United States during the 19th and early 20th centuries. Both Anthony and Stanton dedicated their lives to advocating for women's rights, particularly the right to vote.

Susan B. Anthony was a tireless campaigner who traveled extensively, delivering speeches and organizing events to galvanize support for women’s suffrage. Elizabeth Cady Stanton, a key thinker and strategist, was instrumental in organizing the Seneca Falls Convention in 1848, which was the first women's rights convention and where the Declaration of Sentiments was presented, outlining the grievances and demands of women including suffrage. Their partnership and collaborative efforts helped to mobilize women and gain public attention for the suffrage cause, leading to significant advancements such as the eventual passing of the 19th Amendment in 1920.

In contrast, the other options mention figures who were not directly involved in the suffrage movement. Frederick Douglass and W.E.B. Du Bois focused more on issues related to African American rights and civil rights rather than women's suffrage specifically. Mark Twain and Henry James were prominent literary figures and did not play an active role in the movement