After World War l the United States stuck with a strict policy of isolationism. The American people didn’t want to be involved in European affairs. Accepting the refugees would’ve been a way for the U.S. to get dragged into the war. We see in the later years after the Imperial Japanese attacked Pearl Harbor where isolationism in the States becomes a distant memory and where the U.S. begins taking position on the world stage.
He was known for his code of laws called Code of Hamurabbi.
To protect people from national government