It was the 32nd president, Franklin Delano Roosevelt
Answer:
The Executive Branch consists of the President, Vice President, the 15 department or cabinet-level agencies, the agencies that fall under each department, and the independent agencies and government corporations. A tree structure of how the top branches and departments of the U.S. federal government are organized.
Sorry for the late answer.
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Oligarchy is a limited type of government
I'm not possible to but I'll go with D