Original sentence: It is uncertain whether Russia or China would be willing to grant their needed support to ratify such a United Nations Security Council resolution.The United States, the United Kingdom, and France expressed support for implementing sanctions against the DPRK under Chapter 7 of the UN Charter
Edited sentence: The United States, the United Kingdom, and France expressed support toward implementing sanctions against the DPRK under Chapter 7 of the UN Charter,  although it appears unlikely that Russia and especially China would be willing to grant their needed support to ratify such a United Nations Security Council resolution