Oman has developed close ties to its neighbors ; it joined the six - member Gulf Cooperation Council when it was established in 1980 .
During the Persian Gulf crisis , Oman assisted the United Nations coalition effort .
Oman has developed close ties to Oman 's neighbors ; it joined the six - member Gulf Cooperation Council when it was established in 1980 .
During the Persian Gulf crisis , Oman assisted the United Nations coalition effort .