Well without full context I would assume Trench Warfare because thats what 3 1/2 of the 4 year wars where full of.
All of these are defensible. Of course debt rises in war, and decreasing taxes will benefit an economy where taxes are no longer needed (post-scarcity.) Political and geographical boundaries are outmoded and a world without them is not only possible but existed for much of early human civilization. As for the government, a government would run more efficiently when everyone is in basic agreement with what to do and how.
I would question your teacher on this. Anyone can defend these perspectives...
A) the Supreme Court binds all state and federal justices. They are the highest levels of courts in the us justice system.
Answer:
1. The United States is in the Western Hemisphere (because it is west of the prime meridian) and also in the Northern Hemisphere (because it is north of the equator).