As for the United States, the nation has long wanted to curb its nearly exclusive reliance on an external source for advanced chip manufacturing. Many companies are building chip factories outside Taiwan, especially since the COVID crisis illustrated how tightly woven worldwide supply chains are. However, when it comes to making 2nm-class chips outside Taiwan, you can only count on TSMC Arizona. Pure chip production cost is also a factor. (Image credit: TSMC)On that note, Washington's desire to essentially reshore 40% of advanced chip production is seen by many as unrealistic.