Final answer:
The Jeep Wrangler replaced the CJ series in 1987.
Step-by-step explanation:
The Jeep Wrangler replaced the iconic CJ series for the 1987 model year. The CJ (Civilian Jeep) series had been popular since its introduction in 1945 and had undergone various changes over the years. The Wrangler retained many of the features and styling elements of the CJ series, while also introducing some modern improvements.