Adam Clarke's Commentary on the Bible - Numbers 32:34
The children of Gad built - Aroer - This was situated on the river Arnon, Deuteronomy 2:36 ; 2 Kings 10:33 . It was formerly inhabited by the Emim, a warlike and perhaps gigantic people. They were expelled by the Moabites; the Moabites by the Amorites; and the Amorites by the Israelites. The Gadites then possessed it till the captivity of their tribe, with that of Reuben and the half of the tribe of Manasseh, by the Assyrians, 2 Kings 15:29 , after which the Moabites appear to have... read more
Adam Clarke's Commentary on the Bible - Numbers 32:17
Because of the inhabitants of the land - These were the Ammonites, Moabites, Idumeans, and the remains of the Midianites and Amorites. But could the women and children even keep the defenced cities, when placed in them? This certainly cannot be supposed possible. Many of the men of war must of course stay behind. In the last census, Numbers 26, the tribe of Reuben consisted of 43,730 men; the tribe of Gad, 40,500; the tribe of Manasseh, 52,700; the half of which is 26,350. Add this to the... read more