Phil and Don Everly from "Everly Brothers" were the first rock and roll duo inducted into the Hall of Fame. They transformed local Kentuckian country sounds into rich and cool form of rock and roll. It's one of the most significant duos in rock and roll history.
Comparative advantage. It is being able to produce goods by using fewer resources, at a lower opportunity cost, that gives countries a comparative advantage. The gradient of a PPF reflects the opportunity cost of production. Increasing the production of one good means that less of another can be produced.
Defend until the North gave up--essentially the South believed they had more conviction than the North and that would win out.
The South had an idea to fight for and believed they could survive on their own. The South relied on their ports and did not have as many supplies as the North but they had something to fight for. The North lacked morale and a mission. It was also believed by some that the South had the right to leave and the North had no right to stop them through military action.
Converting their religion to christianity
The second one attending schools
