Washington warned to not get involved in foreign matters and to follow the policy of isolationism, to avoid European powers because America wasn't really strong and big at that time. So involving in European matters could result in controlling the USA however they wanted and getting the USA involved in European conflicts. USA didn't follow Washington's advice and later on got involved in WWI and WWII. If they didn't they could've focused on improving domestic matters rather than wasting money in warfare.
Explanation: (Took the test) You should always check to see if the information you get from someone comes from an expert before any further fact checking.
"They were angry at German leaders for losing the war to the Allies" is the best way to sum up how German people felt about their nation after World War I.
