Question

how did some islamic groups respond to the presence of us troops in saudi arabia before september 11, 2001?
they joined forces with the saudi government.
they asked for us support to take over saudi arabia.
they demanded that the us withdraw its forces.
they asked for us support to help take over iraq.

Explanation:

Some Islamic groups viewed the presence of US troops in Saudi Arabia as an affront to their religious - and national - sensibilities, and thus demanded the withdrawal of US forces.

Answer:

They demanded that the US withdraw its forces.