Multiple choice Which of the following best describes the significance of Douglas MacArthur? led invasion of Normandy on D-Day South Pacific General in WWII; fired by Truman in Korean War Supreme Allied Commander of European Forces in WWII brilliant WWII tank commander in North Africa and Italy Reveal answer Fill a bubble to check yourself B Correct answer Explanation Douglas MacArthur was a key US general in the Pacific theater during WWII. He later commanded UN forces in the Korean War until he was relieved of his command by President Truman.