Which One of the Following Was a Result of the Impeachment

Multiple Choice

Which one of the following was a result of the impeachment and trial of President Andrew Johnson?

A) A precedent was established against the impeachment of presidents solely on political grounds.
B) Johnson emerged triumphant in his battle with the Radicals in Congress.
C) The president was convicted, dismissed from office, and replaced by Ulysses S. Grant.
D) Republicans and Democrats in Congress at last found a cause around which they all could rally.
E) None of these choices