Can someone help my younger brother?

also we live in Pennsylvania

Explanation:

Who settled my state: The British defeated the Dutch and took control over the area. In 1681, William Penn was given a large area of land by King Charles II of England, and he established it as a safe haven for the Quakers (a historically Protestant Christian set of denominations known formally as the Religious Society of Friends).

Key events in my state's history: [1681, William Penn is given a large area of land and establishes it as a safe haven for the Quakers.] — [1765, Philadelphia was the center of resistance to the stamp act.] — [12 Dec 1787, PA sends 8 delegates to the Constitutional Convention, including Benjamin Franklin, ratifies the US Constitution, and is the second state admitted to the union.] — [1790-1800, Philadelphia was the capital of the US.]

Where people settled: Philadelphia, Pittsburgh

Key settlements in my state today: Philadelphia, Pittsburgh

Causes growth: growth in coal, steel, and railroad industries, milk/livestock farming

Causes decline: I would guess growth in renewable energy, emigration to large cities, trends in growth of veganism? I can't find anything online

aa

explanation:

literally the answer is aa. not kidding. aa is a group.