The Arabs claim a right to Palestine because many of them used to live there in harmony with Christian and Jewish neighbours. The whole situation was very badly planned in the beginning going back to the Balfour Declaration in the 1920's. The United nations actions in 1948 did nothing to help, and should be changed giving both sides some land. -Unfortunately both sides are now entrenched in such violently opposing points of view that a fair resolution will never be found.
Of self determination
Arabs believe they have a right to claim land for exactly the same reasons that all other people believe that they have a right to claim land. They feel a right to the land that they live on since they live there and their ancestors have lived there.
Jewish Immigration to Palestine increased significantly, causing Arabs to worry about losing their land.
muslim arabs
Both claim the entire Southwest Levant, termed by the Jews as "Eretz Yisrael - The Land of Israel" and by the Arabs as "Belaad Filastin - The Country of Palestine", as their homeland.
The Byzantine Romans left Palestine in 634 because it was conquered by the Arabs.
Muslim Arabs
Cana'anian Arabs
They both claimed Mandatory Palestine, which is currently controlled by the States of Israel, the Palestinian Authority, and what Egyptian Generals call "Hamas-stan".
Musilm Arab
Palestinian Arabs opposed the plan, leading to a war over the future control over the territory.
Palestine The Best Arabs of all time