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.

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.