D. It emphasizes the dangers of traveling by land.

What argument is franklin d. roosevelt making in this excerpt from his "four freedoms" speech? a. roosevelt is warning isolationists that america cannot depend on any other nation for protection. b. roosevelt is warning isolationists that american democracy will collapse if germany wins the war. c. roosevelt is suggesting that the united states will have to ally itself with britain and the allies to protect human rights around the world. d. roosevelt is warning americans that they will have to cooperate with the government during the war. e. roosevelt is suggesting that america must enter the war to prevent the collapse of democracies in europe.