How does thoreau emphasize living a simple life in order to celebrate the truth found in nature and inner awareness?

Emphasize of Thoreau on simple life:

Henry David Thoreau believes in Simple Living. In order to live a fulfilled life one should not complicate things and make it Simple was his belief. In order to prove his belief he spent time living alone on the banks of Walden Pond.

He wanted the nature to teach what he could not learn and wanted to live so sturdily. He enjoyed living by himself and discover his own inner awareness. Without Simplicity he believed that we could not experience the full wrath of nature and Man surroundings.

b)and

is the answer.

its because you eat a lot of food and that can lead to many heath problems like diabetes or becoming very over weight and fat etc.

b is the answer for this question.