https://www.btstories.com/thistle-the-cedar/

After Joash died, Amaziah became king of Judah. He started off as a good king, and followed the Lord for many years.

Eventually, he decided to attack Edom and bring them under his control. He organized an army of 300,000 soldiers. He then hired another 100,000 soldiers from Israel and paid them four tons of silver.