Respuesta :
The Last Question: He Explains his departure as the Movement from one part of his Life to another.
Thoreau ends the paragraph with the sentence "The universe is wider than our views of it" after describing the different parts of lives of bison and wild-goose that how the creatures move around the nature. Therefore, it doesn't have to be staying at one place without scattering your parts of life to the nature. The correct answer is the last option.