Why was the declaration of independence written why was the declaration of independence written?

The Declaration of Independence was written in order to clarify and justify the actions of The Second Continental Congress, which was to assume the powers of an offical government. The colonists' saw themselves as Englishmen, with all the rights of Englishmen. However, after numerous usurptions the colonists contested the violations of the Parliament based upon English liberty. The Declaration of Independence combined purpose with principle. In June 1776 the Congress of the united colonies appointed five delegates to produce a formal written declaration of independence, after several weeks Thomas Jefferson completed the draft.It was written to King George III and the world to read. Think about it, a public statement affirming the tyranny of the English King and a testament to the hypocrisy of the English Parliament.  
   There was three purposes of why it was written   1) a theory of government  2)a list of complaints  3) a declaration of war