What is the main difference between the Pan American Games and the Olympic Games?
a. The Pan American games are held every 6 years, while the Olympic Games are held every 4 years.
b. The Pan American Games are held in Buenos Aires, Argentina, while the Olympic Games are held in different cities all over the world.
c. Only countries in the Americas and Caribbean participate in the Pan American Games, while Olympic Games are international.***
d. The Pan American Games do not allow professional athletes to compete, while the Olympic Games do.