What impact does war have on nations? Objective 1. To describe the destruction at Pearl Harbor, the sinking of the USS Arizona, and the consequent loss of life; 2. To explain the important role of the USS Arizona as part of the Pacific Fleet; 3. To explain the significance of the USS Arizona Memorial and other war memorials; 4. To determine the impact of World War II on their own community. Background Time Period: 20th century American history Topics: This lesson could be used in American history units on World War II or in courses dealing more generally with war and conflict. Students will be Duration: 90 Minutes.