3 ms·The presence of US troops in Saudi Arabia was a primary motivation for Bin Laden and 9/11.by fmajid 7y agoThe presence of US troops in Saudi Arabia was a primary motivation for Bin Laden and 9/11.sjg007 7y agoThis is nothing new, the US has been there since WW2.. Before that the UK. People forget history.azinman2 7y agoDon’t forget France