Originally in 1990, then again in 1998, and 2003.
No, it will always be a centre of conflict.
Many countries may feel they should have control over entry to the gulf.
Any conflict can be avoided, if the leaders want to avoid it.
The Persian gulf
Iran is a country on the Persian Gulf.
Kuwait is a country in the Persian Gulf
The Persian Gulf
Bahrain is an island country in the Persian Gulf and the smallest country in the Persian Gulf area.
The other name for the Persian Gulf is the Arabian Gulf
NO, the Sinai Peninsula is far to the west of Persian Gulf. It is the Omani Peninsula which separates the Persian Gulf and the Gulf of Oman.
Ostensibly to liberate Kuwait from Iraqi occupation.