1. US blocked ASML from selling its EUV machines to China ( https://www.bloomberg.com/news/articles/2022-07-05/us-pushin... )
2. US called back all US citizens working in microchip industry in China: to either leave China and come back to the USA or lose citizenship ( https://www.outlookindia.com/international/explained-how-ame... )
This is about maintaining long-term leader position in military technology of which AI is a big part