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.
Answer:
I'm pretty sure its B.
Explanation:
The Persians were defeated causing Xerxes to retreat back to Persia. After the first invasion, the Athenians built up a mighty fleet of ships called triremes. The Persian Empire was eventually conquered by the Greeks under the leadership of Alexander the Great.
The answer is d. slaves were considered prisoners of war and kept in confinement.