Taiwan is under constant threat of Chinese invasion—something that could become more likely now that America has its own supply of computer chip components.

Enforcing the tariffs on Taiwan would be difficult, and they wouldn’t necessarily be enough to meaningfully increase semiconductor manufacturing in the United States, experts told WIRED.

Taiwan semiconductor company TSMC plans to make a fresh $100 billion investment in the United States that involves building five additional chip facilities there in coming years, its CEO announced with President Donald Trump on Monday.