The colonies were the first in history to declare a completely democratic republic, just before the French did it in the French revolution. Their fight against the monarchy and enlightenment ideals. The American revolution showed that it was possible to stand up to tyranny and inspired many nations in Europe to do the same, just like France did.
Alexander the Great did not conquer China nor Italy. The reason why he conquered neither can be attributed to many factors. One is that he mainly focused his conquests on the eastern empires. For this reason he did conquer Mesopotamia and Egypt. However, because he died at a relatively young age, he didn't have enough time to conquer any other regions.
It is Document A that is the reliable source.
Answer:
Depending on what battle, but true
B and actual representation