There is an emerging dispute in the South China Sea with China aggressively laying claim to the entire area including the islands by threatening other Southeast Asian claimants with coercive power. Which among the following is/are the best conflict resolution mechanism(s) in this situation?

1. 1The US Pacific Command should militarily counter Chinese aggression.
2. 2The US should sign military pacts with other Southeast Asian nations against China.
3. 3The dispute should be resolved by utilizing the ASEAN 2002 Declaration on the Conduct of Parties in the South China Sea in a peaceful manner.
4. 4The UN Security Council should declare China's aggressive posture as a threat to international peace and security and invoke UN Chapter VII.

Select the correct answer using the code given below.