Since the 1980s, when Chile adopted free market economic policies that attracted significant investment, copper has been the country’s top commodity, quadrupling the production of its next biggest competitors, China and the United States.


A. Since the 1980s, when Chile adopted free market economic policies that attracted significant investment, copper has been the country’s top commodity,

B. Since Chile adopted free market economic policies in the 1980s that attracted significant economic investment, it has produced more copper than any country,

C. Chile attracted significant economic investment in the 1980s by adopting free market economic policies, and ever since then, it has produced more copper than has any other country,

D. Copper has been Chile’s top commodity since the 1980s, when free market economic policies attracted significant investment,

E. After Chile adopted free market economic policies that attracted significant economic investment in the 1980s, it has produced more copper than any other country,


OA C

Source: Manhattan Prep