No, he did not die from a gas bomb. He did go through a gas bomb when he fought in WWI but survived it.
He killed himself to prevent being caught when everyone was hunting him down after the WWII ended
They knew the land that they were fighting on and they had the high ground.
One of the main ways in which travel routes today differ from the trade routes of classical era civilizations is that they're far safer, since people have to worry much less about being robbed and/or injured--this is due mostly to government oversight and policing of the routes in question.<span />
He swore that he will get Germany out of the Great Depression that they were having at the time. He also swore that he will get vengeance to the U.S., Britain, Japan etc... since they seized land, military and almost everything away from the Germans.
