 He also notes that the attempt to achieve a demographic shift through "aliyah" (Jewish immigration to the land of Israel) had not been successful.As a result, some Zionist leaders adopted the transfer of a large Arab population as the only viable solution.Morris also points out that "[if] Zionist support for 'Transfer' really is 'unambiguous'; the connection between that support and what actually happened during the war is far more tenuous than Arabs propagandists will allow."