Congessional business and tasks are done in its majority by the Senates and members of the House Of Representatives, leaders, and standing committees have other tasks and jobs that are done, plus the normal business that any congress member has, so the majority of the congressional business is handled by the Senators and members of the House.
The Declaration of Sentiments is better known as the document coming out of the Seneca Falls Convention and marks the beginning, really, of an organized women's rights movement.