The correct answer is - The God Huitzilopotchli desired more blood from human sacrifice.
The Aztecs were very fond of performing sacrifices towards their Gods, especially to the God of war, Huitzilopotchli. They were making human sacrifices on a regular basis for him as he was a God that was very blood thirsty. Most of the people that were sacrificed were people from the other tribes that they were ruling over, but also there were lots of Aztecs that were sacrificed. While the other people did not wanted to be sacrificed, the Aztecs considered it as an honor to be sacrificed to their God, so lots of them were volunteering for sacrifice.
Here are some of the weapons first used in WWI. Airplanes, Derigables, poison gas, flamethrower, and tanks. Other weapons that were invented before the war but not used on a wide scale or were not reliable until WWI were the machine gun, submarines, torpedoes, small mortars and very large caliber artillery. WWI also saw the use of the radio for the first time in combat conditions.
U.S production plummeted
U.S inventors didn't have enough money to invent
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