 This included mass Aliyah, the setting up of Immigrant camps and Ma'abarot, the Reparations Agreement between Israel and West Germany, the National Water Carrier of Israel and the National Outline Plan.As a result of the withdrawal of British forces and the declaration of the State of Israel in May 1948, the immigration restrictions to the country were removed, making it possible to implement the policy changes relating to large-scale Aliyah focused on Jews from Arab and Muslim countries.Ben Gurion's government subsequently presented the Knesset with a plan to double the population of 600,000 within four years.