Conditions of Jewish immigration fourth.. spread manifestations of anti-Semitism in some countries in Eastern Europe and the development of laws restricting immigration to the United States

1 - The spread of the manifestations of anti-Semitism in some countries in Eastern Europe, Mai early years of the twentieth, has imposed heavy taxes on Jewish merchants and the expulsion of a large number of employees of the Jews for some key functions in Poland. 

2 - laws restricting immigration to the United States eased the possibility of migration to it and opened the way to more broadly directing immigration into Palestine.