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.
The main argument of the Declaration of Independence was "All men were created equal" and there were certain unalienable rights that government should not violate which included that people have rights and freedom of life, liberty, and happiness.
The main ideas expressed in the Declaration of Independence were individual rights and liberties and the duty of the government to protect them.
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