Why would this idea have been important to the
authors of the declaration of independence?

The Declaration of Independence was written to act as an explanation to the international community the reasons why the colonies were declaring their independence from England. A declaration of independence was bound to elicit an aggressive reaction from Great Britain, which was keen to maintain its hold on America.

Explanation:

there should be a waiting period

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.