What was the name of the rival political group that the soviet union formed in response to nato

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

The second continental congress: a. made provisions for a continental army with george washington as commander-in-chief b. adopted a “declaration of causes of necessity of taking up arms” c. endorsed the olive branch petition d. all of the above

Which of the following is an example of an iron triangle?