Original sentence: Although the United States and NATO bloc would be hard-pressed in a conventional conflict with the Warsaw Pact forces if a conventional war were to occur, the massive response doctrine prevented the Soviets from advancing for fear that a nuclear attack would have been made upon the Soviet Union in response to a conventional attack
Edited sentence: Although the United States and NATO bloc would likely be utterly defeated in a conventional conflict with the Warsaw Pact forces if a conventional war were to occur, the massive response doctrine prevented the Soviets from advancing for fear that a nuclear attack would have been made upon the Soviet Union in response to a conventional attack