Step 1 : Introduction to the question "4. Who of the following did not become involved in any military conflicts during their time in office?"
...1. Abraham Lincoln 2. Franklin D. Roosevelt 3. Woodrow Wilson 4. Calvin Coolidge Abraham Lincoln was president during the Civil War (1861 - 1865). Woodrow Wilson was president during World War 1 (1914 - 1918). Franklin D. Roosevelt was president during World War 2 (1939 - 1945).