If you are so sure that Palestine was a nation?

1) when was it founded and by whom?
2) where were its borders?
3) what was its capital city?
4) what were its major citie
5) what was the language?
6) what was the primary religion?
7) what was its formofgovernment?
8) what was their currency called?
9) what was their currency exchange rate with ?(any currency of your choice?)
10) what constituted the basis of its economy?
11) who was the leader before Arafat?
since there is no such country todaywhat caused it's demise and when did it happen?