Answer:
A.manicheism
Explanation:
Manichaeism is a syncretic and dualistic religious philosophy founded and propagated by Manes or Manicheus, a Christian philosopher of the third century, who divides the world simply between Good, or God, and Evil, or the Devil. Matter is intrinsically evil, and spirit, intrinsically good. Many preachers included this concept in their messages intended to spread Christianity during the Second Great Awakening of the 1800s.
The answer to this would be gunpowder
<span>In AD 476, Emperor Rolulus Augustulus, at 14 years old, was the ruler of the Western Roman Empire. During this time a Germanic general named Ocoacer overthrew the emperor. This was the last time an emperor ruled over Rome which is why historian consider this year the end to the Western Roman empire.</span>
Air brakes were an invention that improved railway safrty
