Read the article titled comparative advantage”. explain what comparative advantage is and how it relates to opportunity cost. how do these principles explain why americans have exported customer service operations to india ?

Part a: which statement identifies the central idea of the text? a: the north was more powerful than the south and was always going to be the victor of the civil war. b: despite the obvious strength of the north, the outcome of the war was unpredictable at the time. c: the united states underestimated the strength of the south, giving it the upper hand. answer !