What movement did Susan B. Anthony significantly contribute to?

Susan B. Anthony is best known for her pivotal role in the voting rights movement, particularly in advocating for women's suffrage in the United States. Throughout her life, she worked tirelessly to promote the idea that women should have the same rights as men, particularly the right to vote. She co-founded the National Woman Suffrage Association and played a critical role in organizing campaigns, giving speeches, and mobilizing supporters around the issue of women's voting rights.

Her contributions included not only advocacy and education around voter registration for women but also legal challenges. One notable instance was when she famously cast a ballot in the 1872 election, which led to her arrest under the accusation of illegally voting. This act of defiance helped bring national attention to the suffrage cause, exemplifying her dedication to changing laws and societal norms regarding women's participation in democracy.

In contrast to the other movements listed, such as the civil rights movement, labor movement, and environmental movement, Anthony's primary focus and legacy are firmly rooted in the struggle for women's right to vote, making it clear that her most significant contribution was to the voting rights movement.