After the Persian War, what did Sparta, Athens, and other Greek communities collect to
ward off future external attacks?

They collected resources for building walls.

Explanation:

Building walls would help keep intruders out.

living during the great depression had a major affect on the mentality many people. a good portion of people who lived during that time do not trust banks. this is likely the result of the many widespread bank failures in the 30s that caused people to lose their life savings.

the first two years of american revolution was not very encouraging for the patriots since the british were far superior in sea power, arms and troops.