Answer:
Taxes are a small percentage of money taken out of your paycheck that is used to upgrade or reconstruct public areas.
:)
The right hand side is different because it could have a stronger / weaker cut. idk
The roaring twenties were called this because this was after the US won WWII so everyone was celebrating. The US started prohibition, but people kept on drinking and partying. It got so bad and crazy that this was one for the main reasons for the Great Depression
He says it is "mere" to show that it is an estimation
It was the last battle that led to the end of the American Revolution :)