The sinking of the Lusitania in 1915 had a very negative effect on the American public opinion of Germany, since it was the Germans who sank the American ship for seemingly no reason.
Farewell Address by Washington--this address urged the nation to avoid alliances and getting involved in affairs not our own. This set the tone for isolationism.
Monroe Doctrine--this foreign policy stated the US would protect the Western Hemisphere from European involvement and implied the US would stay out of European affairs.
The Treaty of Versailles and League of Nations would involve the US in world affairs and bring European issues to the doorstep of the US.
Im not sure where Prussia is but your answer is Poland im pretty sure
A beginning of a new government.
Answer:
war of the country in whicb year na msnta