# God's anger came on Judah and Jerusalem

"God became very angry with the people of Judah and Jerusalem". Joash remaind loyal to Yahweh as long as the chief priest lived, but when he died Joash started following other gods. The chief priest's son warned Joash that he would have trouble and was killed. The army of Aram defeated and plundered him and his servants murdered him. 

# for this guilt of theirs

"because they were guilty of sin"