In 1972 China entered into bilateral relations with which country?

NCERT (2026-27): “The Rise of the Chinese Economy … The Chinese leadership took major policy decisions in the 1970s. China ended its political and economic isolation with the establishment of relations with the United States in 1972. Premier Zhou Enlai proposed the ‘four modernisations’ (agriculture, industry, science and technology and military) in 1973. By 1978, the then leader Deng Xiaoping announced the ‘open door’ policy and economic reforms in China. The policy was to generate higher productivity by investments of capital and technology from abroad. China followed its own path in introducing a market economy. The Chinese did not go for ‘shock therapy’ but opened their economy step by step. The privatisation of agriculture in 1982 was followed by the privatisation of industry in 1998.…”