The language was powerful durning the wartime speech because it they could of use secret plans . For example if they wanted to throw a bomb somewhere they could of told them in their own language so they have a better shot in beating the other team .
The third one, because it is a "lesson learned" from a story <span />
A sugar producers needed a new system to make sugar less difficult to produce
I'd say it emphasizes the dreariness of life.
