Coach Eddie Jones believes England face a test of their "manliness" as they attempt to seal a knockout berth by beating Argentina in their Rugby World Cup showdown in Tokyo on Saturday.
Bonus-point wins over Tonga, and the USA have England in a strong position, and a win against the Pumas will see them become the first team to qualify the quarter-finals.
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However, Jones is wary of Argentina, who must win to keep alive their hopes of reaching the knockout stage for a fourth successive World Cup.
History is on England's side as they've beaten the Pumas in their past nine games dating back to 2009.
"When you play against Argentina, they base their game on the scrum, so it's a test of manliness," said Jones.
"To beat Argentina you have to take them on up-front - scrum, maul, ruck attack, ruck defence. That's where it will be won.
"They were very unlucky to lose to France, and all the stats from the game suggest they should have won it. We have the greatest respect for Argentina."
Jones added that his players are in the best physical condition they have ever been ahead of the match.
The fixture is England's first against a tier-one team at the World Cup, but every match from here on out will be against quality opposition.
"We have prepared well for the game, and physically we are in the best position we have been in. Mentally I think we are in a good position and we can't be seduced by Argentina's state," Jones said.
"We know Argentina play with a lot of pride and a lot of passion and that will be multiplied by the fact they are in a game that is very important to them. So that allows us to try and take away their strengths, then try to attack their weaknesses. There are some weaknesses.
"We can't be seduced by Argentina's state. We know they play with a lot of pride and a lot of passion and that will be multiplied by the fact they are in a game that's very important to them.
"Rugby is a tough physical game. We have seen that already at this World Cup. The passion and pride come down to the toughness of your play.
"But then there's emotional control because when you have a lot of passion and pride, it tends to multiply your strengths and multiply your weaknesses."
Join us for live updates of Australia v Uruguay, England v Argentina, and Japan v Samoa from 6:15pm Saturday.