3. They did a good job, in my opinion. The reason for this is that at the time, very few civilizations (if any at all) had a large road network that kept the civilization well connected and allowed for "fast" information transport. This was not the case in the Assyrian empire, where local governors were required to maintain roads and road stations at strategic points, allowing for faster communication as a result of improved infrastructure.
4. The Assyrian and Babylonian empires were two kingdoms that coexisted. Their cultures were exactly the same. Everything is the same: language, laws, religion... This culture was either descended from Sumerian and Akkadian societies or entirely created by the Assyrian-Babylonians.
I think that the most important thing you need to realize is that you are not falling behind, you are surviving a pandemic.
For the first question I would say A, and the second question is the civil war
Hitler, Mussolini, Stalin, and Trump all used propaganda and fear mongering to emotionally and mentally manipulate supporters into giving them more power and discriminate and attack people with opposing views