Explain an Observation: Here, we begin with some fact or pattern that we want to explain. Each hypothesis is a different possible cause that explains the observation in question.
1) Presidential power has grown during the 20th century, far beyond the expectations of the framers of the Constitution. What might explain this phenomenon? Consider how the features of the presidency, the federal government, its institutions, or U.S. political culture that might have brought about this change in power structure.
