As a result of the Gulf War,

A. Saddam Hussein fell from power.

B. Bush's popularity soared.

C. oil prices fell to an all-time low.

D. Kuwaiti soldiers set Iraqi oil wells on fire.

I believe the answer is: bush's popularity soared

In the Gulf war, the united states and the coallition managed to drive Iraqian army out of Kuwait. When the news about the gulf war victory appearn on the news, the citizens perceive this as a successful attempt to control the middle eastern territory, which cause president bush's approvability soar to more than 80%