For decades Taiwan has enjoyed widespread bipartisan support in the US Congress, no matter what the stance of the executive branch.
In 1979, when then-US president Jimmy Carter established diplomatic relations with the People’s Republic of China (PRC), derecognized the Republic of China (ROC) and the Chinese Nationalist Party (KMT) regime, and terminated the US-ROC Mutual Defense Treaty, Congress enacted the Taiwan Relations Act (TRA) — over Carter’s objection and amid the PRC’s protest.