The correct answer to this open question is the following.
The three examples from any period of American History when Americans attempted to follow these words were the War of 1812, the Civil War, and World War I and II.
After the Revolutionary War when the United States became an independent nation, the country has always tried to fight for freedom and democracy. When in danger of losing those individual liberties stated in the US Constitution, US citizens had supported armed conflicts. That was the case of the War of 1812. Half of the country seceded from the Union and created the Confederate States because those Americans had a different point of view of the country they wanted. that represented the beginning of the American Civil War. Finally, the United States participated in both world wars to try to impede the expansión of German power across Europe and the imminent risk this issue represented to the US economic and political interests in the region.