As what Milton Friedman said, "A society that puts equality before freedom will get neither. A society that puts freedom before equality will get a high degree of both." Capitalism values the literal meaning of freedom in the society which can be considered as the more successful kind of system anyone can wish for. Yes, communism values equality but what if a certain person doesn't have the ability to do an act well, how can they be successful without freedom? When people have the freedom to choose what their businesses will be, they intend to exert a lot of effort just to make his or her business successful. Hence, when all of these business will be successful, the country's economy will boost off the charts. Base on the quote above, people can observe equality when they are free. Also, United States which can be considered as one of the grossing or rich country throughout the world use this kind of system. This only shows, how capitalism is effective and successful.
