Original sentence: Professor Noam Chomsky of the Institute for Policy Studies has referred to the tactics used by agents of the US government and their proxies in their execution of US foreign policy in such countries as  foreign policy countries such as Nicaragua, Chile, Costa Rica, Honduras, Argentina, Colombia, Turkey, Vietnam, Laos and Cambodia as a form of terrorism
Edited sentence: Professor Noam Chomsky of the Institute for Policy Studies has described US foreign policy countries such as Nicaragua, Chile, Costa Rica, Honduras, Argentina, Colombia, Turkey, Vietnam, Laos and Cambodia as a form of terrorism