Outline the factors which resulted in the choice of Normandy as the site of D-Day. What other options did the Allies contemplate, and where these

Outline the factors which resulted in the choice of Normandy as the site of D-Day. What other options did the Allies contemplate, and where these alternative sites ruled out? Describe the military events which composed D-Day on the beaches of both Omaha and Utah. Finally, what was the German reaction to D‑Day, and why?