Because I answered the question many many many times!
You already know what I'm going to say. Rocco said it earlier.
In 1948, they tried to declare independence on land ALREADY DECLARED INDEPENDENT BY ISRAEL.
Which is something you deny. You simply cannot accept the truth because it will mess up your agenda.
That is not true.
The Palestinian declaration was inside its own valid international borders. Nobody has ever proved otherwise.
So if they declared independence in 1948 ,and it was valid, why did they need to do it again in 1988 ?
Good question. I never could understand that move.
Perhaps it is because the PLO started picking up foreign donors in the 1970s. As these donations increased they moved away from the Palestinian agenda and moved toward the donor's agenda.
The creation of 3 new muslim states proved that they had no International borders as these 3 states were inside the borders set.
As the treaties show they were interim borders in name only so that the two mandates could create Syria, Iraq and trans Jordan. once they were set in stone the Palestinian borders ceased to exist. so in 1946 the only option the Palestinians had was to become Israeli's and stop all terrorism and violence or move to one of the muslim states. In 1947 another option was opened to them they could declare independence on the land allocated by the partition plan. The 1948 declaration was deemed invalid by the UN and was denied, placing the Palestinians in limbo. This led to them becoming Jordanian and Egyptian citizens of their own free will, a show of their free determination.
Proof enough for you that Palestine as you know it had no international borders, and was never a sovereign nation until 1988