Which of the following is the BEST example of centripetal forces that could be at work in a state?

O Astate has several ethnic groups that are seeking autonomy

O A state has two impassable rivers dividing the state into distinct regions

O A state has a population that speaks different dialects of the same language.

O A state has worked to fight against threats of invasion from a neighboring country.

O A state has a population that adheres to multiple branches of the Islamic religion.