Name the book Sinclair Lewis wrote about mainstream America and describe the purpose of the book.

Mainstreet is what it is called by Sinclair Lewis

Explanation:

It relates the life and struggles of Carol Milford Kennicott in the small town of Gopher Prairie, Minnesota, as she comes into conflict with the small-town mentality of its residents.

C, Flowers referred to "flower power," or non-violence and passive resistance.