Rules in sports:
make the game easier to play.
restrict you while playing.
add difficulty to the game.
are designed to promote safety so that everyone can enjoy the game.

                                                                                                                      Rules of a game: Play fair( Don't cheat), Have good sportsmenship( don't get into fights on the stuppidesd things in a sport), Have fun!

Explanation:

diseases can be cured more rapidly as medical advancements spread from region to region. -apexxx