There was more than a handful of questions surrounding Norway coming into the tournament and the first 15 minutes didn't bode well for the Nordic nation.
Overall, apart from a golden opportunity for Asisat Oshoala, the last half hour progressed without incident.
The win makes things quite snug in Group A, although there's only been one round of fixtures the group already looks like it will be divided into the top two seeds against each other as well as the bottom two. "We were just together for about two weeks prior to the tournament and it was pretty hard".
The action from the Reims begins at 8pm (all times BST) and is also available online through the BBC Sport website and app.
Jennifer Hermoso netted two second-half penalties and substitute Lucia Garcia added a last-minute goal as Spain came from behind to beat South Africa 3-1. The No. 1-ranked United States is the defending Women's World Cup champion.
The 20-year-old, who will be suiting up against her club teammate Ngozi Ebere, believes her side will punish the Africans' defensive frailty in Reims.
She explained: "I love my job".
Discussing the coach, she said: "He has really helped the team to be much better when it comes to the team patterns and understanding your opponent".
"We're going to enjoy this victory a little bit and then we're going to travel to Nice to meet another world-class team [France]". "We want to try and qualify from the group stage and move forward".
They are without Ada Hegerberg, the first Women's Ballon d'Or victor, who has refused to play for the national side since 2017 after taking a stand against what she describes as a lack of respect for female players in the country.
Having been considered contenders for the title at the start of the tournament, the two-time former champions lost all three of their group games without scoring a goal.