History of Oman firms. Perhaps most importantly, the Basic Statutes provide rules for setting Sultan Qaboos' succession. Oman occupies a strategic location on the Strait of Hormuz at the entrance to the Persian Gulf, directly opposite Iran. Oman has concerns with regional stability and security, given tensions in the region, the proximity of Iran and Iraq, and the potential threat of political Islam. Oman maintained its diplomatic relations with Iraq throughout the Gulf War while supporting the United Nations allies by sending a contingent of troops to join coalition forces and by opening up to pre-positioning of weapons and supplies. In September 2000,
Persian Gulf petrochemical industry. In 2002, the Persian Gulf nations of Bahrain, Iran, Iraq, Kuwait, Qatar, Saudi Arabia, and the UAE produced about 25% of the world's oil, held nearly two-thirds of the world's crude oil reserves, and about 35% of the world's natural gas reserves. The oil-rich countries (excluding Iraq) that have a coastline on the Persian Gulf are referred to as the "Persian Gulf States". Iraq's egress to the gulf is narrow and easily blockaded consisting of the marshy river delta of the Shatt al-Arab, which carries the waters of the Euphrates and the Tigris rivers, where the east bank