# they had led Israel to sin

"they had influenced Israel to sin"

# they had led Israel to sin

"Israel" refers to the ten northern tribes of Israel. Baasha and Elah had been their king.

# they provoked Yahweh, the God of Israel, to anger with their idols

"they made Yahweh, the God of Israel, angry because they worshiped idols" 

# the God of Israel

"Israel" refers to all of the twelve tribes descended from Jacob.