uk liberated middle east from ottomans who actually colonized it. in palestine there was mandate given to them by league of nations

jewish immigration to mandatory palestine was always severely restricted by british. british were capturing illegal new immigrants and were shipping them off to cyprus or something like this. on the other side arab immigration through syria/trans-jordan/sinai was unrestricted

https://www.jewishvirtuallibrary.org/jewish-immigrantion-to-...