Answer:
D. Most presidents made the address as accessible as possible.
Step-by-step explanation:
According to paragraph 3, it is described how twentieth century presidents of America made changes in their State of the Union address from Presidents Woodrow Wilson, Calvin Coolidge, and George Bush to make the address as accessible as possible.
Therefore, based on the details in paragraph 3, the generalization that can be made about twentieth-century presidents and the State of the Union address is that most presidents made the address as accessible as possible.