10 viewed such “engagement” as too often taking place at the expense of more important interests, the Congress has usually been more wary than the White House of allowing hopes for a more positive US-China relations to determine our policy. At times, such as during the passage of the Taiwan Relations Act in 1979 and in reaction to the Chinese crackdown around Tiananmen Square in 1989, Congress has actively resisted the White House and sought to turn American policy in directions both the Chinese leadership and the US administration have opposed. However, often Congress has played a somewhat passive role, especially in recent years. Still, the control it formally exercises over US government budget outlays, legislation, and the approval of appointments of senior administration officials makes Congress not only important in the formation of US-China policy but also a prime target for Chinese influence efforts. By providing historical background, the review that follows informs contemporary US concerns about Chinese government efforts to influence American leaders and public opinion. The record over the past four decades shows some success in Chinese efforts to win influence over congressional opinion. However, more often than not, whatever positive results they have won have not lasted in the face of enduring differences between the two countries. Congressional Visits to China, 1972-1977 President Nixon’s second term featured the Watergate scandal, which forced his resignation in 1974 and resulted in a lull in high-level communication with China. This circumstance gave more prominence to the reports issued by the approximately eighty members of Congress who traveled to China in the period between President Nixon’s visit in 1972 and the start of the Carter administration in January 1977. The visits of these congressional delegations—including (repeatedly) top leaders from both parties—were by far the most active channel of high-level communications between the United S