The connecting word **So** connects the reason (Ahab tried to make the people worship Baal), with the result (God was going to punish the people). (See: [[rc://en/ta/man/translate/grammar-connect-logic-result]])
This is direct quotation. It can also be stated as an indirect quotation: “He told him that there would be no rain or dew in the kingdom of Israel until he said it would rain again.” (See: [[rc://en/ta/man/translate/figs-quotations]])