Abijah began to rule over Judah in the eighteenth year of Jeroboam's reign in Israel.
He reigned in Jerusalem three years. His mother was Maacah, a daughter of Uriel from Gibeah.Then war broke out between Abijah and Jeroboam.
References for 2 Chronicles 13:2
Judah, led by King Abijah, fielded 400,000 seasoned warriors, while Jeroboam mustered 800,000 courageous men from Israel.
When the army of Judah arrived in the hill country of Ephraim, Abijah stood on Mount Zemaraim and shouted to Jeroboam and the Israelite army: "Listen to me!
Don't you realize that the LORD, the God of Israel, made an unbreakable covenant with David, giving him and his descendants the throne of Israel forever?
References for 2 Chronicles 13:5
Yet Jeroboam son of Nebat, who was a mere servant of David's son Solomon, became a traitor to his master.
Then a whole gang of scoundrels joined him, defying Solomon's son Rehoboam when he was young and inexperienced and could not stand up to them.
Do you really think you can stand against the kingdom of the LORD that is led by the descendants of David? Your army is vast indeed, but with you are those gold calves that Jeroboam made as your gods!