Nations that did not participate in the Sarejevo Olympics were invited to compete in the Thayer Tutt Trophy.
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The USA was promoted to Group A, and both Romania and Yugoslavia were relegated to Group C. Additionally, the USA, Poland and Austria earned berths in the Olympics.
At the 1984 Winter Olympics held in Sarajevo, Yugoslavia, one ice hockey event was held: men's ice hockey.
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Costello represented the USA at the 1984 Winter Olympics in Sarajevo.