SRL for [vital]: With the largest oil reserves in the world , it is [vital] that the U.S. maintain contorl over Saudi Arabia , which means propping up the House of Saud , and it would be equally benificial to Iran or to China and its partners in Asia to facilitate a revolution there , which would allow them greater access by default .
ARG-1: that the U.S. maintain contorl over Saudi Arabia , which means propping up the House of Saud