The first women’s rights convention in the United States was the

Correct

Seneca Falls Convention

The Seneca Falls Convention was the first women's rights convention in the United States. Held in July 1848 in Seneca Falls, New York, the meeting launched the women's suffrage movement, which more than seven decades later ensured women the right to vote.

workers of lowell mills were greatly benefited for the waltham type of work which was more a paternalist kind, trying to protect the integrity of this little girls coming from small farmers and providing an adequate place of work, this in an effort to avoid the issues of bad place conditions and immorality that the people in bigger industrialized cities of great britain were experimenting.