Deuteronomy 12:31

“Thou shalt not do so unto the Lord thy God, etc.] Not serve and worship him after the manner of the Gentiles, nor introduce their rites and customs into his service, used by them in the worship of their gods: for every abomination which he hateth have they done unto their gods; as murder, adultery, etc. which God has expressed his aversion to, and indignation at; one instance of the former sort is given here: for even their sons and their daughters they have burnt in the fire to their gods; not only men have they sacrificed to them, but such near relations; and not only caused them to pass through the fire, but burnt them in it; so the Carthaginians are said to do, who learned this inhuman…”

“12:31 burn their sons and daughters: Human sacrifice was one of the most abhorrent practices of ancient pagan religions. The Ammonites believed that their god Molech required such sacrifice from his worshipers (Lev 18:21; 20:2; 2 Kgs 23:10; Jer 32:35).”

“Thou: Deu 12:4, Deu 18:9; Exo 23:2; Lev 18:3, Lev 18:26-30; Kg2 17:15-17, Kg2 21:2; Ch2 33:2; Ch2 36:14 abomination to the: Heb. abomination of the even their sons: The unnatural and horrid practice of offering human sacrifices not only existed, but universally prevailed among ancient nations. We have already (See note on Lev 20:2) referred to the custom among the Phoenicians and Carthaginians, descendants from the Canaanitish nations, of sacrificing their children to Moloch, or Saturn; and we will now cite a passage from Diodorus Siculus (lib. xx.) which immediately precedes that already produced relative to this barbarous custom. He states that the Carthaginians imputed their being…”

“Deu 12:31, like Deu 12:4, with the reason assigned in Deu 12:31 : "for the Canaanites prepare (עשׂה, as in Deu 12:27) all kinds of abominations for their gods," i.e., present offerings to these, which Jehovah hates and abhors; they even burn their children to their idols-for example, to Moloch (see at Lev 18:21). Deuteronomy 12:32”