美国国务卿鲁比奥：美国已经向阿联酋和其他国家表示，他们正在把苏丹的冲突变成一场代理人战争。

Core Viewpoint - The U.S. Secretary of State, Rubio, has indicated that the U.S. has communicated to the UAE and other nations that the conflict in Sudan is being transformed into a proxy war [1] Group 1 - The U.S. is actively engaging with the UAE and other countries regarding the situation in Sudan [1] - The characterization of the Sudan conflict as a proxy war suggests a shift in the nature of the conflict, potentially involving external influences [1]