Question

After the Persian War, what did Sparta, Athens, and other Greek communities collect to

ward off future external attacks?

Answer 1

After the Persian War, Sparta, Athens, and other Greek communities collected "resources for building walls" to ward off future external attacks, although this had little affect on attacks that were launched by sea.

Step-by-step explanation:

Answer 2

They collected resources for building walls.

Step-by-step explanation:

Building walls would help keep intruders out.