An incumbent is a current officeholder, running for re-election.
It was "Mitchell Palmer" who was the attorney general under President Wilson who led a witch-hunt to round up communists in the 1920s, since these were known as the "Palmer Raids".
The first box is number one.
Answer:
France
Explanation:
On D-Day, 6 June 1944, Allied forces launched a combined naval, air and land assault on Nazi-occupied France