What does Jeremiah 34:15 mean?

So here's what the Lord says: Since you didn't listen and set your fellow Israelites free, I'm going to set you free—free to face war, disease, and famine. You'll become a warning to all the kingdoms on earth. Jeremiah 34:15 - Modern Text Bible

(Because they broke their promise, God says He'll let them face disaster, making them an example to others.)