You answered 30 out of 33 correctly — 90.91 %
Some of the questions allowed the use of inference to make an educated guess.  

The three I missed - must've been reading comics in class that day, no excuse really, lol.
Incorrect Answers
Question: In 1935 and 1936 the Supreme Court declared that important parts of the New Deal were unconstitutional. President Roosevelt responded by threatening to: 
Your Answer: override the Supreme Court’s decisions by gaining three-quarter majorities in both houses of Congress 
Correct Answer: appoint additional Supreme Court justices who shared his views.
Question: What was the source of the following phrase: “Government of the people, by the people, for the people”? 
Your Answer: Declaration of Independence
Correct Answer: Gettysburg Address.
Question: The Puritans: 
Your Answer: were Catholic missionaries escaping religious persecution
Correct Answer: stressed the sinfulness of all humanity.