They invented the roman army and the canon in 1683
Answer:
Artificial intelligence such as Robots
Explanation:
In 18th century, slavery was at peak value since there was high need of labour.
In 20th century, scientists have created robots which has replaced slaves hence slavery decayed.
No, it is not true that Stark argues that if one truely believes that ritual is the essence of religion, (and not belief in the supernatural,) then sacrifice is very hard to <span>understand because sacrifice seems irrational, since he believes the two aren't mutually exclusive. </span>