What notable action did the USA hockey team achieve in the 1980 Winter Olympics?

The USA hockey team's triumph in the 1980 Winter Olympics is best known for their dramatic victory over the Soviet Union, which was considered one of the greatest upsets in sports history. At the time, the Soviet team was heavily favored, having won the gold medal in previous Olympics and being regarded as one of the best hockey teams of all time. In the "Miracle on Ice" game, the American team, made up of amateur and collegiate players, managed to secure a 4-3 victory over the Soviets in a match that showcased teamwork, resilience, and determination against a backdrop of Cold War tensions. This pivotal win not only boosted the morale of the American public but also led the team to eventually win the gold medal by defeating Finland in the finals. The focus of this question is on the significance of the upset itself, which is why this response is highlighted as correct.