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
Because they just wanted land, they weren’t interested in learning about the people there, they just wanted to conquer new “untouched” lands.
The time when that animal was alive, where that animal lived, and what type of animal it was. That's the best answer I can give you.