What does Article one in the U. S. Constitution establish and for what purpose?

Article One of the United States Constitution establishes the legislative branch of the federal government, the United States Congress. ... Article One grants Congress various enumerated powers and the ability to pass laws "necessary and proper" to carry out those powers.

Explanation:

hope this helped sorry if it is wrong.

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.