What other religion sanctions, nay encourages, nay demands that its adherents aggressively attack non-believers and either forcibly convert them or subjugate them into slavery?
I seriously cannot think of one, except for that one. The Bible says "by their fruits will you know them", and that is all I need to know that the Christian religion is right and Islam is wrong. Since its inception in the 7th century, it has literally been waging a war against the entire rest of the world.