USA HISTORY

Detailed explanation-1: -The introductory sentence states the Declaration’s main purpose, to explain the colonists’ right to revolution. In other words, “to declare the causes which impel them to the separation.” Congress had to prove the legitimacy of its cause. It had just defied the most powerful nation on Earth.

Detailed explanation-2: -The introduction, called the preamble, to the Declaration of Independence is especially important because it builds connections between philosophical theory and practical politics, expresses the fundamental values of the new American government, and also appeals to other nations to accept the new nation.

Detailed explanation-3: -A preamble is an introduction to a declaration, constitution, or other official document.

Detailed explanation-4: -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.