What claim does jefferson present in the preamble of the declaration and what support does he say he will provide?

Governments exist to support the rights of men. ... of the people, the people have the right to change their government in a way that will allow for ... The introduction, called the preamble, to the Declaration of Independence is especially ... Jefferson altered this slightly when he claims the unalienable rights include "life, libertyJefferson chose to begin the Declaration with the words, “The unanimous ... would be difficult without the support of all thirteen colonies, but some might say ... How does Jefferson explain the reason for a formal declaration of independence? ... his case for independence before the world community, similar to what he might.  He had been a leader in Virginia, and Virginia had elected him to the Continental Congress. ... The declaration can be divided into six major parts: ... The declaration opens by saying declaring independence is a serious step. ... The history of the present King of Great Britain is a history of repeated injuries and usurpations.