Native American Serf or the lowest life status like poor worked on ranchos.
After the split from the supercontinent, the individual continents underwent a number of changes of their shoreline. For example, the constant flow of water "smoothed" the surface, which meant that in some parts the land decreased (was washed away by the currents) and in other parts the land increased with the accumulation of the material that the currents brought.
This changed the shape of the continents in a way that they no longer "fit" together perfectly.
The answer is true the battle was fought in 1781.
A - to pay off the debts from the French and Indian War
The British Parliment felt they had the right to tax the colonies to pay off their war debts they had incurred during the Seven Years' War.
Peaceful relations with neighboring American Indian groups and fertile farmland helped Penn's experiment become a success. Philadelphia grew into one of the most important cities in colonial America, becoming the birthplace of the U.S. Constitution.