For the transgression of Jacob is all this, and for the sins of the house of Israel. What is the transgression of Jacob? is it not Samaria? and what are the high places of Judah? are they not Jerusalem?
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George Leo Haydock
Jerusalem. High places were left there under Joathan, 4 Kings xv. 35. Achab had introduced the worship of Baal into Samaria, and though the family of Jehu repressed this worship, it gained ground when Micheas appeared. (Calmet)
This conduct excited God's indignation. (Haydock)
He came to punish the most guilty. (Calmet)