There are only 3 advanced process technology companies left in the world.
TSMC
Samsung
Intel
The rest are all either gone or stuck in 14nm or older technology.
Global Foundry gave up on 7nm.
TSMC produces military grade chips , and America needs them to be secure. Imagine our new drone/attack plane, for example, with compromised chip sets ?
This Experimental Drone Could Change America’s War Strategy
Is the Kratos XQ-58A Valkyrie the future of combat aircraft?
https://www.popularmechanics.com/military/a31122720/kratos-xq58a-valkyrie-future/
This should be one of the top re-election goals for 2020 to swing a deal for a TSMC fab.