I KNOW ITS NOT D BUT I NEED HELP
Which sentence best states the main idea of this passage from Roosevelt's Four Freedoms speech? A. We are in an emergency situation and must find a quick solution to the problem B. People will have to sacrifice many of their freedoms in order to fight this war. C. All obstacles must be overcome in order to ensure the safety of the United States. D. All Americans must be prepared to fight for the safety and freedom of the United States​