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
It spread through via international airline travel very quickly.
Rome managed to overcome it's difficulties with having issues in it's leading structure and the highest chain in command; namely Roman generals at the time wanted glory for themselves which prevented them from beating Carthage for some period together with the fact that Carthage had the incredible general Hannibal. After they consolidated and joined forces together, they were able to beat Carthage after a campaign of war.
B: It was abortion the most popular
<span>King Leopold II of Belgium brutally conquered the Congo Basin</span>