10 When they came to Geliloth near the Jordan in the land of Canaan, the Reubenites, the Gadites and the half-tribe of Manasseh built an imposing altar there by the Jordan. 11 And when the Israelites heard that they had built the altar on the border of Canaan at Geliloth near the Jordan on the Israelite side, 12 the whole assembly of Israel gathered at Shiloh to go to war against them. 13 So the Israelites sent Phinehas son of Eleazar, the priest, to the land of Gilead-to Reuben, Gad and the half-tribe of Manasseh. 14 With him they sent ten of the chief men, one from each of the tribes of Israel, each the head of a family division among the Israelite clans. 15 When they went to Gilead-to Reuben, Gad and the half-tribe of Manasseh-they said to them: 16 "The whole assembly of the Lord says: 'How could you break faith with the God of Israel like this? How could you turn away from the Lord and build yourselves an altar in rebellion against him now? 17 Was not the sin of Peor enough for us? Up to this very day we have not cleansed ourselves from that sin, even though a plague fell on the community of the Lord! 18 And are you now turning away from the Lord? " 'If you rebel against the Lord today, tomorrow he will be angry with the whole community of Israel. 19 If the land you possess is defiled, come over to the Lord's land, where the Lord's tabernacle stands, and share the land with us. But do not rebel against the Lord or against us by building an altar for yourselves, other than the altar of the Lord our God. 20 When Achan son of Zerah was unfaithful in regard to the devoted things,[1] did not wrath come on the whole community of Israel? He was not the only one who died for his sin.' "

Matthew Henry's Commentary on Joshua 22:10-20

Commentary on Joshua 22:10-20

(Read Joshua 22:10-20)

Here is the care of the separated tribes to keep their hold of Canaan's religion. At first sight it seemed a design to set up an altar against the altar at Shiloh. God is jealous for his own institutions; we should be so too, and afraid of every thing that looks like, or leads to idolatry. Corruptions in religion are best dealt with at first. But their prudence in following up this zealous resolution is no less commendable. Many an unhappy strife would be prevented, or soon made up, by inquiries into the matter of the offence. The remembrance of great sins committed formerly, should engage us to stand on our guard against the beginnings of sin; for the way of sin is down-hill. We are all concerned to reprove our neighbour when he does amiss, lest we suffer sin upon him, Leviticus 19:17. The offer made that they should be welcome to come to the land where the Lord's tabernacle was, and settle there, was in the spirit of true Israelites.