United States forward Brianna Decker, center, is surrounded by teammates after scoring during the second period of a IIHF Women's World Championship hockey tournament game against Canada, Friday, March 31, 2017, in Plymouth, Mich. In the background right is Canada forward Blayre Turnbull. (AP Photo/Carlos Osorio)
United States forward Brianna Decker, center, is surrounded by teammates after scoring during the second period of a IIHF Women's World Championship hockey tournament game against Canada, Friday, March 31, 2017, in Plymouth, Mich. In the background right is Canada forward Blayre Turnbull. (AP Photo/Carlos Osorio) Credit: Carlos Osorio

Plymouth, Mich. — The United States women’s national hockey team, fueled and fired up by an opportunity to play in a tournament it was willing to sit out, started fast and strong against its rival in a highly charged and physical game.

Brianna Decker broke a scoreless tie late in the second period and Nicole Hensley stopped 18 shots, lifting the Americans over the Canadians, 2-0, on Friday night in the world championship opener for both teams.

“Built-up energy,” said Megan Keller, who played defense for the U.S. near her hometown in suburban Detroit. “We were all excited to get out here and get the first game rolling.”

Keller and her teammates threatened to pull out of the tournament unless USA Hockey committed to paying the women more and treating them more like their male counterparts.

After getting about $1,000 a month from the organization for six month around the Olympics in the past, members of the U.S. team can now make a living playing the sport. They will make $3,000-$4,000 a month, with the ability to earn over $70,000 annually with contributions from the United States Olympic Committee. Players can make up to $129,000 with the Olympics in 2018, and USA Hockey will also arrange for players to fly in business class and stay at nicer hotels as part of the deal finalized on Tuesday.

“All of the commitment, the energy and the focus you saw off the ice over the few weeks is what you’re going to see on the ice,” Reagan Carey, general manager of the U.S. team, predicted before the puck dropped. “We’re so excited to showcase that for everybody, especially the fans here.”

The Americans controlled the play all night against their rivals. Gigi Marvin gave them a two-goal cushion early in the third, and their swarming defense shut out a high-powered offense.

“It was a wake-up call,” Canadian forward Marie-Philip Poulin said. “We have to be ready when they drop the puck.”

Shannon Szabados made some spectacular saves to keep the Canadians in the game and finished with 28 saves, but her teammates couldn’t get a puck past Hensley.

The two teams are heavy favorites to meet again April 7 in the gold medal game. If that doesn’t happen, it would be stunning and unprecedented.

Since the first International Ice Hockey Federation women’s world championship in 1990, the U.S. and Canada have not allowed another country to advance to the finals. The Americans beat the Canadians last year at the world championship, winning the eight-nation tournament for the third straight time over Canada and sixth time in seven opportunities.

They will, though, have to go through the motions in the eight-nation tournament.

The U.S. will face Russia and Canada will look to bounce back against Finland on Saturday as they continue the three-game opening round.

Canadian players had voiced support for the Americans in their battle for better wages and conditions in an at-times contentious off-ice battle, and acknowledged their rivals had a lot on their side.

“They had the home crowd and it was a big thing for female sports and they got it,” Poulin said. “I think it was a big, emotional game for them.”

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Follow Hockey Writer Larry Lage at http://www.twitter.com/larrylage