What was the significance of the Mayflower Compact?

Answer 1

It was the first constitutional document in the United States. It laid the basis for all future government in the US, including the US Constitution in 1787.

It established that government obtained its power from the consent of the governed, a key principle of American democracy.

Answer 2

It was the first governmental system set up in the American colonies. This allowed the colonists to lay the ground work for new fundamental laws and beliefs that would later lead to independence and freedom for all individuals within the United States.