D. Czechoslovakia is correct. All others had been concered by Hitler and Nazi Germany.
It was the use of assembly lines
Nothing like that had ever been created before in history.
One such sentence would be this: "The compass was a vital piece of technology that allowed sailors and explorers of all kinds find their position in the world relative to the North Pole".
8) Chinese crawfish since it is cheaper.
9) The opportunity cost is Louisiana crawfish because it would struggle due to it's expensive price. The trade off would be the Chinese crawfish.
10) Price is not the only factor. Some customers may like Louisiana crawfish, and others may like Chinese.
11) The demand of the Louisiana crawfish would decrease while the chinese increased
