Step 1 : Introduction to the question "3. A statement by what U.S. leader might also be said 'the single item that ourselves possess that causes alarm is the alarm alone'?"
...1. Franklin D. Roosevelt 2. John C. Calhoun 3. Richard Nixon 4. Thurgood Marshall "... the only thing we have to fear is fear itself." The full statement from FDR's 1933 inaugural address: "So, first of all, let me assert my firm belief that the only thing we have to fear is fear itself." The inaugural address was a catalyst for Roosevelt's New Deal program during the Great Depression.