<span>Mostly to fight the Soviets which had occupied Afghanistan. He used his personal connections and wealth to supply resistance against the Soviets there and had even gone on to fight with them. He was also disgusted by Saudi Arabia's apparent reliance on the West.</span>
A mercenary is an individual who isn't really loyal to any nation, and instead fights in the armies of whoever pays him well.
A.
Plains Indians started hunting buffalo more efficiently.
C- they fled from religious persecution in England
