What were the historical origins of The Port Huron Statement of 1962 ?

The Port Huron Statement of 1962 is often remembered as the most influential founding document of the "New Left" Using the copy of the document ( can be found on internet) Please help me answer these questions.

1. What were the historical origins of the movement that came to be known as the " New Left"

2. Should the Port Huron Statement be viewed as a radical document? Why /why not?

In answering question #2, please make direct reference to the document. I need about a page for each question.
Thanks.