Final answer:
Omaha Beach was not divided into a specific number of sectors; it was regarded as one continuous stretch assigned to American forces. The heroism of the Allied troops contributed to overcoming strong German defenses and securing the beach for further advances into France.
Step-by-step explanation:
Omaha Beach, a critical sector in the Allied invasion of Normandy, France, during World War II, was divided into multiple sectors, but a specific number of sectors is not typically cited in historical documents. Instead, it is detailed as one continuous stretch of coastline that was the responsibility of the American forces, particularly units such as the U.S. 1st Infantry Division. The success of the operation at Omaha Beach, despite the formidable German defenses, was due to the heroism and sacrifice of the troops who secured the beach against obstacles such as mines and machine-gun nests. By the end of D-Day, 150,000 men had cleared the beach and prepared to confront German reinforcements. The tenacity of the Allied soldiers at Omaha Beach contributed significantly to the eventual liberation of Normandy and the further advance into occupied France.