They started a fight with France who is also an ally with the United States so yea that's a good reason to blame Germany for WW1
Explanation:
While WWI was fought in the trenches and used machine guns and poisonous gas, WWII was fought using modern artillery and machines utilizing more airplanes, ships, tanks, and submarines. Special operations methods were also developed during this war together with atomic missiles and secret communications
The causes of the Peloponnesian war are that the Athenian Empire upset the balance of power in the Greek world this alarmed Sparta and its allies
It ended when the Athens surrendered after the war sparta was ruling the state of Greece