ANSWER: 1. Declared war on the Axis Powers
Explanation:
the United States was officially neutral, as it was bound by the Neutrality Acts not to get involved in the conflicts raging in Europe and Asia. Prior to the attack on Pearl Harbor, public opinion in the United States had not been unanimous. When polled in January 1940, 60% of Americans were in favor of helping the United Kingdom in the war.
It is primary because it is the official process of methodically collecting information about a certain topic in a specific time period
B: it gave civil rights to individuals like freedom of speech, religion, etc
It specifically defines the Constitution but it can be changed at anytime which makes it flexible.