Who is to say that Joshua, Moses and others didn't call on the Israelites to slaughter others "in the name of" their deity any more than any other despot? Israelites were no different than any other tribal communities in that regard: it was a cutthroat world. Besides, it sounds good: it gives some sort of absolutist backing to commit such atrocities (atrocities on this scale usually do require such absolutist justifications).
They called it "Manifest Destiny" in the United States.
They called it "Manifest Destiny" in the United States.
“Society is not a disease, it is a disaster. What a stupid miracle that one can live in it.” ~ E.M. Cioran