What led to the start of the Persian Wars?
O The Athenians wanted to unify the city-states.
O The Spartans wanted to expand their territory
O Xerxes I hoped to create an alliance with Sparta.
O Darius I wanted to punish Athens for supporting a revolt.

What bodies of water provided the eastern border of the zhou dynasty? ?

What was the purpose of the u.s navy's convoy system

The service industry in the united states grew in the late 1800s. what was one effect of that growth? the number of people with jobs in factories as unskilled workers decreased. the number of people with jobs in factories as unskilled workers increased. the middle class grew as people took jobs as clerks, lawyers, and teachers. the middle class shrank as people left jobs as clerks, lawyers, and teachers.