Answer:
The correct answer is it made the case stronger by showing that Palestinians were willing to live peacefully alongside Israelis.
Explanation:
The answer above explains how the Palestinians were willing to change from their violence state and ready to consider negotiation, and this affected their case to attain independence as a country.
This made the case stronger by showing the Palestinians were ready to live alongside Israelis peacefully
On November 15, 1988, The national council of Palestine came together to
in Argelia to publicly announce the country as an independent state of Palestine in East Jerusalem, the West Bank and Gaza Strip.
This pronouncement also made the state of Israel to be recognized, for which it was not mentioned at that time.
