1)
How could Amatziyah become king in the second year of Yo'ash Melech Yisrael? The latter became king in the 37th year of Yo'ash Melech Yehudah (13:10), and Yo'ash Melech Yehudah reigned 41 years!
1.
Refer to 13:10:1:1 and the note there.
