Which statement best describes how the sea affected travel in ancient Greece? Violent seas forced ancient Greeks to travel by land. Ancient Greeks feared the sea as part of their religion. The seas were used by Greek city-states to stay connected. City-states used both land and sea routes for trade and travel.

C. The seas were used by Greek city-states to stay connected.

Explanation:

did it in edge

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).