Laurent Koscielny, Bacary Sagna and Olivier Giroud were all part of the squad against Ukraine and Wenger believes their joy can influence their club displays - even if they now face a busy close season in 2014.
"That is the problem of course but still, you want overall the players to be in a positive mood, to have a good self-esteem, and that of course comes by thinking you have the job done," Wenger told Arsenal Player.
"I have a smile on my face because first it was a relief [for France] to go through. You have to give credit to Ukraine, they were unlucky, a little bit, because they got a man sent off and they conceded an offside goal. Overall you could not forget that Ukraine gave a fantastic resistance.
"It's positive for France because it was a big relief and the country needed it.
"There is a lot of unrest between the French national team and the country, since South Africa [at the 2010 World Cup], and that they could turn a situation like that in a positive way will help people to love the national team again."
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