Which event happened before the Pilgrims arrived in the New World and is believed to have helped the people of the Mayflower create a settlement at Plymouth Rock?

A.
A deadly war between English settlers and Native Americans drove the population away from the area but left structures already built by Europeans.

B.
A plague wiped out most of the French and Native Americans allowing the Pilgrims to settle without conflict.

C.
King James I sent explorers to survey the area for any signs of inhabitants or potential agricultural issues.

D.
A shift in local climate caused herds of animals to make the area a mating ground which eventually led to easy hunting and fishing.