Even when other countries began to industrialize and producing things even cheaper than the US could, what did the US do to continue their economic growth? Select one: a. The growth actually stopped and was part of the reason for the Great Depression b. They jumped straight to quaternary activities and dominated the global market in all those categories ever since. c. Shifted focus to the agricultural sector d. They remained focused on lowering the cost of their products to compete with the other countries e. Shifted focus to the service sector and expanded their domestic economy