What influence did Bret Harte have on American Regionalism? He established Regionalism as a uniquely American movement.
He invented the Western genre as a distinct form of Regionalism.
He was the first to use dialect to show local color.
His characters were the first heroes who were also outlaws.

These events happen to highlight the moral lesson of the fable.

Explanation:

Fables are small stories in which the characters are animals and present situations that pass us some lesson or teaching. The events that happen in this excerpt, aims to present the teaching that this fable wishes to pass.

Everything that happened in the excerpt happened because Country Mouse needed to realize that although he lived a simpler life and did not have access to the delicious foods that the City Mouse has, he lived in safety and security was something City Mouse did not possessed. Thus, the fable teaches us to be satisfied with what we have. What we have is enough to live happily, even if we do not live in luxury.