So this is not a question but this is what it is, “Sectionalism in the United States began to lead to events that will contribute to the start of“ and I need help.

just say what the events are and make a list of them and type them into

Explanation:

operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings