Economic crises, racial anti-Semitic laws, and a fear of an upcoming war led many Jews to flee from Europe to Palestine, to the United States and to the Soviet Union.
经济危机、种族的反犹法律以及对即将到来的战争的担忧导致许多犹太人从欧洲逃到巴勒斯坦、美国和苏联。