The correct answer is A. Patriotic sentiments were high in the United States as its citizens united against a common enemy.
Explanation
During the World War II, the United States and Japan were in a conflict in the Pacific ocean where there was being disputed the sea control, to achieve this objective the United States established some military defenses points in the Island chain of Hawaii one of these called Pearl Harbor which was attacked by the Japanese. That situation caused the world impact because the United States was the major world potency at the moment and suffered a great attack that left thousands of murders and the national mourning and patriotism in the country as the Cartoon question shows, which represents the suffering and national mourning this attack caused and the union of the Americans to defend his country from the Japanese horror. So, the correct answer is A. Patriotic sentiments were high in the United States as its citizens united against a common enemy.