The piece of work that had a great impact during the American Revolution because it was written in an understandable way was "Common Sense", a pamphlet published by Thomas Paine in 1775-1776.
It read aloud and circulated among public houses, taverns and public meeting places and, written in clear and understandable prose, it presented political and moral arguments for the independence. The text was written in the form of a sermon and while the arguments contained complex political, democratic and moral reflections, it was written to address the common man so anybody could read it, understand it and debate about them.
This addressing style and the readership it achieved made "Common Sense" an impressive piece of propaganda towards American Independence.
I think that the answer to your question is either A or C but I'm going towards A
USA, UK, France & USSR
Berlin was also split into four and each of the four above also had their own sections of Berlin- however the Capitalists (USA, UK & France) all banded together to make a stronger nation, making their own new currency and building the economy from scratch; this is what triggered the Berlin Blockade & Airlift
The significance was that these allowed goods to be transported much faster than by horse. Canals allowed for things to be imported and exported much more easily.
