Answer:
In his speech, Roosevelt's main purpose was to boost morale after the Pearl Harbor attack. After this event, the American public was worried about the future, and nervous about the possibility of further attacks. Therefore, Roosevelt wanted to reassure Americans that their safety was the military's main concern. He also addresses them in order to explain his reasons for going to war against Japan.
Explanation:
To support Roosevelt's purpose, it will be necessary to find sentences that justify that purpose.
The sentences are intended to justify and strengthen the purpose, showing that the information presented is true and should be heard.
You didn't show the speech this question refers to, but I hope the above information can help you.
More information about text evidence at the link:
https://brainly.com/question/375033
