For decades, Beijing has had its sights on Taiwan, the self-governing island that China claims as its own. It has built up the People’s Liberation Army with the goal of ultimately taking Taiwan, if efforts to unify peacefully fail. It has modernized its forces, developing the world’s largest navy, which now challenges American supremacy in the seas around Taiwan. While China likely still lacks the ability to quickly invade and seize Taiwan, it could try to impose a blockade to force the island into concessions or as a precursor to…