Answer:
Letter D is the correct answer.
Explanation:
The question refers to Four Freedoms, a speech delivered on January 6, 1941 by American president Franklin D. Roosevelt. As said in the title, the speech proposed four people for everyone: freedom of speech, freedom of worship, freedom from want, and freedom from fear.
Even though the U.S. was not involved in World War II (the speech was delivered almost a year before the attacks to Pearl Harbor) freedom is, logically, the main issue. The menace of fascism in Europe and in Asia was quickly spreading, so democracy was also in danger. Through this speech, the American president wanted to show that the United States has always fought for democracy, so it should keep fighting, that's why D the correct answer.