what was the significance of the American War of Independenc

The Significance of the War
The American War of? Independence was of great historical importance and influence. A new republic emerged and it marked a new beginning of American history. It tells the world that a just cause will sooner or later win? while the evil cause will certainly lose.
The victory of the American people also greatly encouraged the people in the colonies ruled by the Spanish and promoted the national liberation struggle of the other colonies in the world.

问题是：美国独立战争的重要性（意义）？