sentences:  Former Presidents George W. Bush and Barack Obama have close and strong relations with senior members of the Saudi Royal Family.Ever since the modern USSaudi relationship began in 1945, the United States has been willing to overlook many of the kingdom's more controversial aspects as long as it maintained oil production and supported U.S. national security policies.Since World War II, the two countries have been allied in opposition to Communism, in support of stable oil prices, stability in the oil fields and oil shipping of the Persian Gulf, and stability in the economies of Western countries where Saudis have invested.