England's victory at Wembley suggests they could be the team to beat in next summer's World Cup.
The USA has won the World Cup in back-to-back years, while England has never done so.
With only 10 months left until the World Cup, England showed on Friday they are up there with the best.
It was England's first victory against the USA in a year and a half, and extended their run of victories to 23.
The USA had won 18 and drawn three of their last 21 matches before Friday's defeat.
The USA had a goal ruled out, a penalty awarded against them, and a spot-kick given against them.
The way in which England imposed themselves on the USA proved that they have come a long way since their last meeting.
"I think the USA will be looking at us and thinking, wow, that's how you play in possession," said Karen Carney.
We didn't have that in my career. We were afraid of the USA. We played them off the park at times on Friday.
Carney said that England have an "aura" about them and that confidence has grown during her time in charge.
The match against the USA is only a friendly, but it will help to build on the success of the World Cup next year.
It was a good way of measuring it. The USA has won a lot of things over the years and it is good to have a test against them. It is now October and not July.
"We have proved to ourselves that we can do it," he said, when asked if England's run has given them belief they can beat anyone. We showed in the Euros that we could win.
It's a thin line between winning and losing, but we could bring on something that could win against the best opponents.
The USA were missing key players and were in a transition period with several younger stars coming through.
She wanted her side to control the ball and make chances.
There were nervous moments in the game for England as they were put under pressure by the USA.
She joked that she was not calm at all when Walsh kept the ball inside her own area at one point.
I would have liked her to do it higher up. There was an addition byWiegman.
The hosts showed enough quality to prove they can compete with the best.
We challenged the most successful international team to date. The standard of the women's game was shown by it.
The USA will compete at the highest level at the World Cup and this shows what England can do.
There is still a long way to go before next summer's World Cup, and Wiegman wants to stay focused.
She said that England is the best team in the world when they win the World Cup. They didn't.
The USA boss hopes that his team will be the one to stop England from winning the tournament.
He said that they have an incredible squad and that they are very good.
They have players who can make a difference if you give them enough room. I would love to face them again in the final.