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]])
# He said to him, “There will be no rain or dew in the kingdom of Israel until I say it will rain again.”
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 would say it would rain again.” (See: [[rc://en/ta/man/translate/figs-quotations]])