What was the basis of the jewish claim that palestine was their homeland?

they were the only settlers in ancient palestine.

jews were persecuted and oppressed in the other countries where they had settled.

the jews had ruled much of the middle east before being scattered by conquerors.

the israelites had established a kingdom in ancient palestine.

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks