B. he negotiated a deal with Spain to cede Florida to the united states<span />
Answer:
because it prohibited of poll taxes in federal elections.
Explanation:
the 24th admenment to the constitution of the U.S. that prohibited the federal and state governments feom imposing poll taxes before a citizen could participate in a federal election ( P.S. this is also another part you could say for your answer)
The correct answer to this open question is the following.
People who did not want to answer the questions from the Committee was indicted for contempt of Congress and were sent to prison. Some other people were put on a blacklist in the workplace and lost their jobs and found very difficult to find other company that hires them.
Many members of society considered that that represented such a "wich hunt," that only ruined people's reputation and limited their freedom of speech.
Which action by Andrew Johnson ultimately led to his impeachment, Answer, He, at least allegedly, violated the Tenure of Office Act.
Hope that helps!!!! : )