An Economic Study of U

An economic study of U.S.efforts to eradicate coca fields in South America indicated

A) a clear linkage to higher cocaine prices in the streets in the U.S.
B) that fewer acres are now being planted with coca.
C) that we need to double our eradication efforts to have a positive effect.
D) that even if we produced massive disruption of one country's supply,market forces would replace the supply within two years.