Thirty Years Ago, the Mississippi Gulf Coast Was a Nice

Thirty years ago, the Mississippi Gulf Coast was a nice place to vacation with a white sandy beach, golfing opportunities, resort hotels, and good seafood restaurants. With the addition of casinos, the Gulf Coast improved its odds of being a tourist destination for more travelers. This is an example of a ________ strategy.

A) market-product grid
B) diversification
C) product modification
D) market modification
E) product repositioning