Currently, which is a major barrier to diplomatic negotiations between israel and palestine? palestinians lack a single representative. leadership changes frequently in israel. the effects of long and costly wars have weakened both sides. both countries have used oil embargoes as a constant threat.

A major barrier to diplomatic negotiations between Israel and Palestine :

The effects of long and costly wars have weakened both sides.

Explanation: The long and costly wars between the Israel and Palestine had arisen conflicts that have weakened them.

the main reason the us senate rejected the treaty of versailles was because "european nations wanted to punish germany"

d(:

me and mark as brainliest.