Final answer:
The segment of Franklin D. Roosevelt's 1941 speech in question is known as the Four Freedoms speech.
Step-by-step explanation:
The part of Franklin D. Roosevelt's 1941 speech that is referred to in the student's question is known as the Four Freedoms speech. In this address, Roosevelt outlined a vision of the future founded upon four essential human freedoms: freedom of speech, freedom of worship, freedom from want, and freedom from fear.
This speech was instrumental in shaping the post-war world and was integral to the values that underpinned the later formation of the United Nations.