stabilizer bar broke ---causes? on 2000 Ford Ranger

seen this piece broke . is it difficult to repair?

Asked by for the 2000 Ford Ranger
Stabilizer links connect the sway bar to the rest of the suspension and are under a lot of stress. They always wear out and need to be replaced. No real cause just age, use and stress. Here's the procedure : Takes about 45 minutes to do both sides.