I believe the answer is a
The right fragment to complete the sentence is win the Pulitzer Prize. Many American presidents served in the World War II, Barack Obama also won the Nobel Peace Price, and Theodore Roosevelt was shot in 1912. Then the answer is Pulitzer Prize. Kennedy won the Pulitzer Prize by the book Profiles in Courage.
Answer:
im pretty sure that the answer is C hope this helps :)
He used methods such as non-violent protests.