I believe postulates are given or assumed true statements without a proof. And a theorem can be proven. You do this in geometry if I remember correctly.
Desecrate is to destroy or damage offensively a secured object
Sovereignty is correct
Tolerance is correct
Usurp is to seize or take something without the right to do it
To keep the United States pacific fleet from interfering with planned military actions in Southeast Asia against overseas territories of the United Kingdom, the Netherlands, and the United States.
The radio especially during World War II.
B. Lincoln's purpose of the Gettysburg address was to help inspire soldiers to keep fighting the war even though they were close to victory.