William D'Arcy was given exclusive rights to this resource with a 1901 concession given by the Qajar Dynasty.
William D'Arcy was given exclusive rights to this resource with a 1901 concession given by the Qajar Dynasty. Exports of this resource were halted after an airlift of supplies and weapons in Operation Nickel Grass. Operation Ajax, a CIA-led scheme to overthrow Mohammed Mossadegh, was done in response to Mossadegh's nationalization of this industry. This industry's largest company, ARAMCO, was completely acquired by the House of Saud in 1980. Accusations that Kuwait was stealing this resource from Iraq's Rumaila field via slant-drilling led to the Persian Gulf War. For 10 points, name this resource largely controlled by OPEC, which is refined into products such as gasoline. 
William D'Arcy was given exclusive rights to this resource with a 1901 concession given by the Qajar Dynasty.
oil [or petroleum; or crude; accept various common nicknames such as black gold or Texas tea; do not accept or prompt on petroleum-derived products such as gasoline or kerosene]