The seneca falls convention of 1848 was unique because it was the first time
a. women were activists.
b. organized women to fight for their rights.
c. started the first social protest movement.
d. was open only to female participants.

B.organized women to fight for their rights.

Explanation:

     Seneca Falls is internationally known for its role in the Women's Rights Movement. The Seneca Falls Convention, which took place on July 19 and 20, 1848, was the first convention in the United States that fought for women's rights.

    The Seneca Falls Convention was organized by Lucretia Mott and Elizabeth Cady, who fought for women's rights, especially in the political area where women were not seen or heard, and women began to desire more than just being a housewife. .

    The Convention attracted 240 supporters, 40 were men, including Frederick Douglass.

    Very little progress was made with the Seneca Falls Declaration, but it served 70 years for its purpose, the right to vote for women, which was not achieved until 1920.

the answers is b.   environments.

b. native americans them