Provide a bulleted summary of the history of how home-field advantage is determined for the World Series.

Home field advantage for the World Series has been determined in the following ways throughout history:
- 1924 - 2002: Home field advantage simply alternated between the American and National Leagues each year.
- 2002 - 2016: Home field advantage was determined by the winner of the All-Star game.
- 2016 - Present: Home field advantage is determined by the team with the best record playing in the World Series.