What part do you need help with?
It would be A. Because
The U.S. immigrant population ended up growing rapidly during the 1990s, where growth rates went up especially high across a wide band of states in the Southeast, Midwest, and Rocky Mountain regions.
It was "The Great Compromise" that the Framers made at the beginning of the Philadelphia convention, which established two houses in the legislature: the House of Representatives and the Senate.
