Here the strength of Jehoash's army is spoken of as Jehoash's "might." Alternate translation: "the power that his army showed when they fought against the army of Amaziah king of Judah" (See: [[rc://en/ta/man/translate/figs-metonymy]])
This question is used to remind the reader that the acts of Jehoahaz are recorded in another book. See how this phrase is translated in [2 Kings 1:18](../01/17.md). Alternate translation: "they are written in the book of the events of the kings of Israel." (See: [[rc://en/ta/man/translate/figs-rquestion]])