How did the geography of Greece influence the development of city-states?

The mountains, seas, islands, and climate isolated separated and divided Greece into small groups that became city-states. The sea allowed the Greeks to trade for food by traveling over water.

Explanation:

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.