According to this part, the three jobs of the three branches are to create new laws and manage old ones for the legislative branch, to oversee cases and decide whether laws are unconstitutional for the judiciary branch, and the executive branch that provides the commander in chief and the President of the United States of America. These are enumerated in the constitution and control each other.
Answer: the 1930s
Explanation: The USA watched carefully the rise of fascism in Europe and Japanese expansion in Asia, but did not intervene, There was a strong isolationist lobby and many had sympathy with both Hitler and Mussolini who they saw as leaders who were putting to rights, the problems of their countries, and were also important bulwarks against communism.
It took the Japanese attack on Pearl Harbour to bring the USA into the war and even then there was no guarantee they would have become directly involved in the conflict in Europe. It was Hitler who declare war on the USA in support of his Japanese Axis allies.