The Persian and Peloponnesian Wars were in the development of what came to be called the west, it becomes clearer that these two wars as well as the 50 years in between were essential to the "west." was due to the fact that ancient greece is the base of western civilization. The peloponnesian war was the downfall of greece. Thucydides the historian states that that the beginning started when all greeks joined to fight the persian invasion. Everything was great until one of the greek nation known as athens tried to control the other nations. As a result, the athens population grew. The peloponnesians which were lead by the spartans were alarmed. A 30 year treaty was conducted between athens and the spartans right after spartans first 15 year
