Answer:
He focuses on the unity and strength of the American people and peoples of other nations who believe in freedom.
Explanation:
A surprise attack by the Japanese military on December 7, 1941, struck the history of global geopolitics. The target, at that time, was the US naval base at Pearl Harbor in Hawaii, and precipitated the entry of the United States into World War II.
The next day, US President Franklin D. Roosevelt delivered one of the landmark speeches in the history of mankind. In this speech he appealed to the concept of unity and strength of the American people and peoples of other nations who believe in freedom. In doing so he sought to provoke the patriotism of the Americans and to get people to support the declaration of war against Japan.
This popular support is a powerful weapon for a president who is commander-in-chief in the face of a conflict.
