Answer:
The three sentences in the above excerpt from Franklin D. Roosevelt's "Day of Infamy" speech that make an emotional appeal by suggesting that America's innocence was betrayed by certain enemies are the following;
#1. "No matter how long it may take us to overcome this premeditated invasion, the American people in their righteous might will win through to absolute victory."
#2. "Always will we remember the character of the onslaught against us."
#3. "I ask that the Congress declare that since the unprovoked and dastarly attack by Japan on Sunday, December Seventh, 1941, a state of war has existed between the United States and the Japanese Empire."
Step-by-step explanation:
The vocabulary and key terms used in these sentences show the emotional appeal suggested by America's innocence being betrayed by specific enemies.