There would be new farming and enclosure movement
Cloth and spices brought back by the crusaders led to greater interest in trade.
Adolf Hitler consistently blamed Germany's internal and external problems on the Jewish peoples. Hitler believed that the Jews were longstanding foes of Germany and focusing on ridding/killing off Eastern Europe of Jews and Slavics would give Germans "living space" or area for German prosperity.
These ideals led to the Holocaust (a mass killing of of about 17 million people) including about six million Jews, Romani, Slavics, Soviet Prisoners of War, political opponents, and Jehovah's Witnesses by Nazi Germany and its collaborators.
