Why did the Normans invade England?

The video discusses the historical context leading up to the Norman Conquest of England. It begins with the relationship between the Normans and King Edward the Confessor, who had no heir and named William, Duke of Normandy, as his successor. Despite this, Harold Godwinson claimed the throne after Edward's death, prompting William to plan an invasion to assert his rightful claim.

How did King Edward's lack of a son influence the succession?

What was the outcome of Harold's actions regarding the throne?