 When the government of the People's Republic of China obtained its seat in the United Nations as a result of the UN General Assembly Resolution 2758 in 1971, it began to take diplomatic action to re-establish Chinese sovereignty over Hong Kong and Macau.Chinese Premier Zhou Enlai was especially concerned with the issue.In March 1972, the Chinese UN representative, Huang Hua, wrote to the United Nations Decolonization Committee to state the position of the Chinese government