How Did the Presidents of the Nineteenth Century Differ from Those

How did the presidents of the nineteenth century differ from those that emerged in the early twentieth century?

A) Early presidents addressed the public less frequently about public matters.
B) Early presidents exercised more executive privileges.
C) Prior to Theodore Roosevelt, presidents always campaigned in person.
D) The early presidents were subjected to more congressional oversight.
E) Presidents of the nineteenth century rarely encountered conflicts with Congress.