Answer:
Greco-Roman and democracy
Explanation:
just got it right
All I would know on this matter, is : America joined WWI because of the American lives being lost on Passenger liners such as the RMS Lusitania.
Japan was awarded w/ German territories + they got influence in China with the Treaty of Versailles
Several Governments limited civil and individuals rights such as freedom of press and speech.
The US specifically created internment
camps for Japanese and Japanese descent citizens and subjected them to detention and seizure of property without due process.
It is also against war morality principles to bomb civilians as it happened with the atomic bombing of Hiroshima and Nagasaki.