We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provi
de for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America. This quote is important because it
a.concludes the Declaration of Independence
b. introduces and explains the purpose of the U.S. Constitution
c. defines the purpose of the U.S. military
d.organizes the separate parts of the U.S. government
The stated goal is to create a government that will meet the needs of the people. As noted, the Preamble's statements of purpose do not themselves grant powers or confer rights; the substantive provisions in the main body of the Constitution do that.
If they had received word that the war was already over a lot of things would have changed. The Battle of New Orleans was considered the greatest US land victory of all time and pushed the British back a large enough distance that it pushed the fledgling US into a state of power. It bolstered US morale for a speedy end to the war and even was important to holding New Orleans from British control.
Through nonviolent protest, the civil rights movement of the 1950s and '60s broke the pattern of public facilities' being segregated by “race” in the South and achieved the most important breakthrough in equal-rights legislation for African Americans since the Reconstruction period