I believe it was the use of poisonous gasses, which they not only used on the Jews but in war too......., or The newly created Machine gun<span />
It was only used in the byzantine empire that,s why it is d.
Christianity, decadence, the metal lead in the water supply, monetary trouble, and military problems caused the fall of rome.
Nebuchadnezzar built the Hanging Gardens of Babylon for his wife, because she was homesick, her homeland had mountains
one of the defining characteristic of the modern era is the cell phone
