Answer:
The Declaration of Independence included these three major ideas: People have certain Inalienable Rights including Life, Liberty and Pursuit of Happiness. All Men are created equal. Individuals have a civic duty to defend these rights for themselves and others.
Step-by-step explanation:
The Declaration of Independence, which officially broke all political ties between the American colonies and Great Britain, set forth the ideas and principles behind a just and fair government, and the Constitution outlined how this government would function.