Al-Kamil, therefore, offered Jerusalem to Frederick to avoid a Syrian invasion of Egypt, but the emperor refused.
If that agreement is already deeply ailing, the Syrian invasion would have killed it off.
The Syrian and Israeli invasions had been aimed at improving those countries' own positions and those of their Lebanese clients rather than stopping the fighting.
However, in 1976 he withdrew his support after the Syrian invasion on the side of the Lebanese Front.
"The Syrian invasion and the typical Palestinian stabin-the-back ?"
In 1976 Jordan was the only Arab country to support the Syrian invasion and subsequent role in Lebanon.
Subsequently, al-Kamil offered Jerusalem to Frederick to avoid a Syrian invasion of Egypt, but the latter refused.
It suffered heavy losses during the 1948 Arab-Israel war, bearing the brunt of the Syrian invasion.
"Situation deteriorating dangerously following Syrian massive invasion...", the document said.
However a more serious challenge occurred after the Syrian invasion of Lebanon in 1976.