Background information: This passage is from a testimony before a House of Representatives committee. China has invested heavily in new technologies. . . . Russia has shown that it is not afraid to target the United States in contested domains like cyberspace and still shows a continued interest in regional hegemony [dominance]. Iran continues to advance its nuclear and ballistic missile programs and to support destabilizing proxy groups in the Middle East in an effort to threaten its regional neighbors. We also face challenges from North Korea, a country with the ambition to be capable of striking the U. S. Homeland. â€"US Secretary of Defense Lloyd Austin, May 27, 2021 Which statement best summarizes the passage? The US faces multiple national security threats. The US military needs to invest in new technologies. China and Russia feel threatened by Iran and North Korea. Iran and North Korea are not considered national security threats.