A U.S. congressional delegation visiting Taiwan says the U.S. would act if the island was attacked and promised to resolve the $19 billion backlog in its defense purchases from the U.S. Rob Wittman, vice chairman of the House Armed Services Committee, said: “Know that any hostile unprovoked attack on Taiwan will result in a resolute reaction from the U.S." He spoke Friday ahead of meetings with President Tsai Ing-Wen
