The sentence that best states the main idea of this passage from Roosevelt's Four Freedoms speech is C. Everyone is responsible for working together and motivating others to do the same.
What is a Main Idea?
This refers to the central message that a text or speech contains that is meant to be conveyed to an audience.
Hence, we can see that from the given speech by President Roosevelt, he stated that it was a collective effort and he used repetition to state the function and responsibility of a free nation.
Read more about Four Freedoms speech here:
https://brainly.com/question/15999607
#SPJ1