Which of the following statement(s) is/are true regarding the concept of Dual Deterrence?

A) Dual Deterrence is a strategy used by the US to keep two sides from going to war by making vague assurances.
B) The US does not pledges to aid Taiwan in its self-defence if attacked by China but does not explicitly denounce any efforts by Taiwan to declare full independence.
C) Deterrence has more positive aspects than negatives, including stopping World War III.
D) Dual Deterrence is a strategy used by China to maintain peaceful relations with its neighbours.

Choose the correct option: