Answer:
These principles were popular sovereignty, separation of power, rule of law, checks and balances, and federalism.
Explanation:
They should interview other people who fought in that same war ( which would be back up witness for these two different accounts). So whoever has the most back up witnesses must be telling the truth ( also make sure the other people you interview don't know they are back up witness).
During the Cold war, there was a big fear of a possible nuclear attack from the Soviet Union, so when the US wanted to increase its spending on defense, it argued for it by saying that it needed to have better weapons to be able to prevent a possible attack.
Farming/ slavery.
This answer really depends on what the question is asking, the southern economy banked heavily off of farming, BUT it was impossible to provide and have such an abundance of crops without slavery. So, it depends on the options you have.
Hope this helps, man!
