Last year, the Canadians beat the United States in the gold medal game in Vermont. Tuesday, Amanda Kessel's third-period goal -- on Canadian ice -- avenged that loss.
The United States and Canada have met in every final of the IIHF Ice Hockey Women's World Championships. Canada has won 10 of the 14 gold medals and has the home-ice advantage Tuesday night.
Other countries have shown significant improvement, but the U.S. and Canada still dominate women's hockey. With a little more money and resources at their disposal, most countries likely would be much more competitive.
From the Canada-United States rivalry to Russia's medal hopes, here are five things to watch for at this week's World Women's Hockey Championship in Ottawa.