sentences:  After Belgium's surrender, the country was ruled by a German military governor, Alexander von Falkenhausen, who enacted anti-Jewish measures against its 90,000 Jews, many of them refugees from Germany or Eastern Europe.In the Netherlands, the Germans installed Arthur Seyss-Inquart as "Reichskommissar", who began to persecute the country's 140,000 Jews.Jews were forced out of their jobs and had to register with the government.