The correct answer is C. Medicine.
Dr. DeBakey was a well known cardiac surgeon. This means that he worked on the heart constantly during his operations. One of his crowning accomplishments was his help in developing the idea of a MASH. MASH (Mobile Army Surgical Hospital) was a medical unit used during World War II that served as a fully functioning hospital in combat areas. This helped soldiers to receive quicker medical attention after suffering injuries.
Enlightened despotism, also called benevolent despotism, a form of government in the 18th century in which absolute monarchs pursued legal, social, and educational reforms inspired by the Enlightenment. Among the most prominent enlightened despots were Frederick II (the Great), Peter I (the Great), Catherine II (the Great), Maria Theresa, Joseph II, and Leopold II. They typically instituted administrative reform, religious toleration, and economic development but did not propose reforms that would undermine their sovereignty or disrupt the social order.
War Communism was the name given to the economic system that existed in Russia from 1918 to 1921. War Communism was introduced by Lenin to combat the economic problems brought on by the civil war in Russia.