The Arabs crossed the Mediterranean on dry land from North Africa during the great drought from 330-390 AD. They slaughtered the indigenous peoples, the Medes, Hittites, Israelites, Assyrians. They drove the Babylonians back to Iraq and the Persians to Iran.
The African conquest was rapid and brutal. The North Africans which we call Arabs now, occupied and subjugated all the lands of the middle east, engaging in genocide of the indigenous populations.
Couple hundred years later, the Warlord Muhammad arose to send his armies out and slaughter the world.
So yes, Arabs have occupied the middle east by force for more than 1300 years. Arabs never called themselves "palestinian" until 1964, Hezbollah Hannah. Muslim Supremacists like you use it as a political term. The Arabs in Israel are just Arabs.
No, they immigrated from North Africa and engaged in genocide.