What were the two main women's suffrage organizations in the late 19th century?

Susan B. Anthony (1820-1906) - She was an American social reformer and women's rights activist who played a pivotal role in the women's suffrage movement.

Elizabeth Cady Stanton (1815-1902) - She was an American suffragist, social activist, abolitionist, and leading figure of the early women's rights movement.

Lucretia Mott (1793-1880) -  She was a U.S. Quaker, abolitionist, women's rights activist, and social reformer. She had formed the idea of reforming the position of women in society when she was among the women excluded from the World Anti-Slavery Convention in 1840

(Here are 3 to pick from)

i believe the correct answer is b.