Board Thread:Manga/@comment-5774380-20160908231942/@comment-1784834-20160910104917

It's clear what is going on here:

There is civilization outside the walls, and a large part of humanity was trapped inside and had the Titans sicked on them as the sickest form of population control.

My theory is that the Titans were made because Earth was overpopulated, and so were the lunar and Martian colonies. Therefore, a large portion of Earth's population was forcibly herded behind walls and, using the Coordinate's abilities, had their memories erased to suppress the truth and make the Wall People believe they are the last of humanity.

Who's doing this? The Fourth Reich. Germany, after the Third World War, came under the rule of a Nazi-inspired government. Where did the minorities go? ALL DEAD. Those "human traffickers" who kidnapped the Ackermans? The Gestapo in disguise. With their deaths or shipment to a concentration camp, the walls would be purely white Christians, fitting Hitler's vision. They just didn't count on Eren.

Surely, if this is the case, the Titans will soon find themselves facing high-tech American, British, and French military units, against which they'll have no use.