Europeans introduced the following leisure time activity (or activities) during the mid 1800s:
baseball?
boxing?
horse racing?
all of the above?

The Europeans introduced the following leisure time activity (or activities) during the mid 1800s:
Boxing,baseball and Horse Racing, The correct answer is all of the above. Which is the third option.
It's important to remark that games are integral part of our cultures and the form the oldest forms of human social interaction. They capture the ideas and worldviews of different cultures and pass them to the next generation.