The US-China chip war in dates

As President Donald Trump says the United States has agreed that chip giant Nvidia can sell AI semiconductors to China, AFP runs down the tussle over the key tech:

Aug 2022: Biden's Chips Act

Joe Biden, then US president, signs a bill to boost domestic chipmaking -- an industry Washington fears China could come to dominate through mammoth state-backed investments.

His Chips and Science Act includes $52 billion to boost the production of microchips, which are vital to almost all modern machinery.

Oct 2022: Export controls

Washington restricts exports to China of some advanced chips used to train and power artificial intelligence, on national security grounds.

It also toughens controls on the sale of chipmaking equipment. China says the country is trying

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