This is intresting...One that I often wonder about is what if Muslims had conquered Europe in the middle ages.
Would Muslim explorers have sailed west to find a passage to the east? Muslim navigators were some of the most advanced of the time, so my guess is that they would have.
Would Muslims have conquered the Americas? ?Given their track record, I believe that they would have.
So we could've had a world were Islam controlled all of North and South America, along with Europe, Africa, and Much of Asia. Probably only India and the far East would remain non-Muslim.
Interesting to think that in some alternate universe we may be typing in Arabic wondering what would have happened if Christians had stoped the spread of Islam into Europe.[/b]