4. What nationality were the first Europeans to settle in Southern Pennsylvania? What happened to these people after William Penn's took control of the area?

I already know what nationality they where I just need help with the second one

Why do many scientists suppose the land bridge theory of migration?

How does the power of the supreme court act as a check on the other branches of government

This term, coined by john o’sullivan in 1939, represented the belief that god had preordained the u.s. to settle the whole continent and spread its influence and culture there a.) women’s suffrage b.) the industrial age c.) manifest destiny d.) the abolition movement