What was the purpose of the Declaration of Independence, written in 1776?

1 The purpose of the Declaration of Independence was to list the rights of all U.S citizens
2 The purpose of the Declaration of Independence was to describe the rights of the colonists
3 The purpose of the Declaration of Independence was to define natural rights and list grievances against the kinf of England
4 The purpose of the Declaration of Independence was to outline the first government od the United states

The correct option is:

3 The purpose of the Declaration of Independence was to define natural rights and list grievances against the king of England