What are the main ideas expressed in the declaration of independence

Answer and explanation:

The declaration of independence establishes certain values and rights for people including all men are created equal and have the right to life, liberty and pursuit of happiness. It also states individuals have a civic duty to defend these rights for themselves and others. And the objective of the government is to protect these values.

The declaration ideas state that when a government is overthrown, the new government should ensure equality and other rights are defended to promote happiness. This simply means that the revolutions should have an incorporated justification that is essential in devolving into despotism.

The declaration gives a warning that the subsequent revolution doesn't need to be undertaken in a light note, but it may incorporate abuses and other usurpations which evidences the designs under the despotism.