Read the passage and then answer the question that follows.

The Bluegrass State

There is one state with water, wildlife, and mountains. Does this sound too good to be true? Well, it isn’t all of these natural features are in The Bluegrass State. These are some of the reasons that people visit Kentucky. Kentucky is home to wonderful lakes that offer fun water activities.

Cumberland Falls is a huge waterfall. It has been nicknamed “the Niagara of the South”. If you are looking to do more than just see the water, a visit to beautiful Lake Cumberland might be a good stop for you. Here you can enjoy boating, fishing, or jet skiing. The Bluegrass State has a lot to offer for those looking for fun in the water.

Maybe, you are more of a wildlife person. Many people love hunting in the western part of the state. Natural wildlife can be found throughout the area. There are excursions in the Daniel Boone National Forest that are great also.

If this does not sound like fun to you, then you might like to learn more about Kentucky’s horses. You can visit one of the race tracks or horse farms. Visitors from all over the world have visited Churchill Downs. Their horses race in the Kentucky Derby. Several other races that can be attended throughout the year. Other locations that allow you to enjoy Kentucky’s best thoroughbreds include the Kentucky Horse Park and Keeneland.

Kentucky’s tourism doesn’t stop there. Guests can visit Mammoth Cave and the home of Abraham Lincoln. Certainly, the Bluegrass State is filled with features that keep people visiting this beautiful.

Which of the following probably happened BEFORE tourists started visiting Kentucky to see the exciting race horses?