The crossword solution for the term 'ALL THE TEA IN CHINA' is CHA, which stands for Camellia sinensis, a species of evergreen shrub or small tree whose leaves and leaf buds are used to produce tea. This species is native to East Asia and is widely cultivated in many countries, including China, where it is believed to have originated. As such, the phrase 'all the tea in China' is often used to refer to the vast amount of tea produced in the country.