Liberalism in Hong Kong as the Chinese Language Movement, the anti-corruption movement, defend the Diaoyu Islands movement and so on, in which many of the student leaders became the backbones of the contemporary pro-democracy movement. In the early years of the 1980s, Hong Kong politics was dominated by the issue of the sovereignty of Hong Kong after 1997. Deng Xiaoping, the paramount leader of the Chinese Communist government insisted Chinese sovereignty of Hong Kong, while the British Prime Minister Margaret Thatcher insisted the legality of the Treaty of Nanking. Some Hong Kong liberal intellectuals see it as an opportunity to change the colonial status
British nationality law and Hong Kong on or after 1983 to a parent settled in Hong Kong are BDTCs. The law also stated that British Citizens or BDTCs by descent could not automatically pass on British nationality to a child born outside the United Kingdom or the dependent territories concerned unless a parent acquired citizenship otherwise than by descent. Negotiation concerning the future of Hong Kong started in the late 1970s between Britain and China. With the signing of the Sino-British Joint Declaration on 19 December 1984, the future of Hong Kong was set, with China to assume sovereignty of the entire territory of Hong Kong