90 points
which of the following is the best example of centripetal forces that could be at work in a state?
a. a state has several ethnic groups that are seeking autonomy.
b. a state has two impassable rivers dividing the state into distinct regions.
c. a state has a population that speaks different dialects of the same language.
d. a state has worked to fight against threats of invasion from a neighboring country.

the correct is d, but why? answer the questions below

read each distractor. what makes each distractor incorrect?
how could you rewrite each distractor to make it a correct choice?