The singer journey in Arabic First empty quarter crossing 1946-7, in October 1946 Wilfred returned to the port city of salalah, determined to be the first western explorer to cross the eastern sands of the the Empty quarter by camel, so the answer is by camel
Containment was a United States policy using numerous strategies to prevent the spread of communism abroad. A component of the Cold War, this policy was a response to a series of moves by the Soviet Union to enlarge its communist sphere of influence in Eastern Europe, China, Korea, and Vietnam.