Thucydides. (№ 401473)

The true reason for the war (though hidden), in my opinion, was the fear of the Lacedemonians to the growing power of Athens, and forced them to fight.

Quote Explanation: From "History of the Peloponnesian war". The term "Thucydides trap", introduced by Graham Allisona, used in modern political analysis and journalism to describe international relations, for example, China and the United States. Graham Allison of Tillett — known American political scientist.