New French President Emmanuel Macron and German Chancellor Angela Merkel have pledged to deepen ties within the European Union (EU) in the wake of Brexit with a "historic reconstruction" of the bloc.
"What's interesting for Europe is how much Macron can revive the Franco-German relationship and make it the backbone of a new, successful European Union", Charles Grant, director of the Centre for European Reform in London, said in an interview. "And if in this process, there must be institutional changes and new treaties, we are ready", Macron said.
Germany's stance that the United Kingdom can't access the European Union's single market without accepting its free-movement principles will be shored up by a like-minded leader in Paris, Michael Fuchs, a deputy parliamentary caucus chief of Merkel's Christian Democrat-led bloc, said in a Bloomberg Television interview on Tuesday.
Macron said in a joint press conference he will be an "open, direct and constructive partner" of Germany and also called for more "pragmatism" in bilateral relations.
France's United Kingdom ambassador, Sylvie Bermann added Mr Macron wants the "reconstruction of Europe" and will work alongside Germany to achieve that.
"More often than not, the subject of treaty change was a French taboo".
Philippe, like economy minister Bruno Le Maire, is a defector from France's main conservative party The Republicans (LR).
For far-right leader Marine Le Pen, Mr Macron's rival for the presidency, the selection of Mr Philippe reflects a continuation of the system she hoped to break.
During his campaign, Macron presented ideas on reforming the eurozone, noting the currency bloc can not go on as it is if it wanted to avoid falling prey to protest and populism.More news: Arsenal end United's 25-match unbeaten run
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"I am not a promoter of metalizing of old debt" within the eurozone, said Macron after meeting Merkel, adding however that the joint financing of future projects should be considered.
Merkel said that she would be "ready" to the change the European Union treaties "if it is useful", and insisted that the European Union would be "vulnerable" if it refused to amend its existing rules.
Christophe Castaner, Mr Macron's campaign spokesman, said on Sunday this was the kind of tough choice that would have to be made in Mr Macron's inner circle now that the battle for the presidential Elysee Palace was won.
"That was important in light of the recent criticism in Germany on this", she added.
In his inaugural address, Macron vowed to restore France's place in Europe and the world.
Macron needs a majority to push through his ambitious plans to loosen France's strict labour laws, boost entrepreneurship and reduce class sizes in tough neighbourhoods.
Mr Macron is the conservative Mrs Merkel's fourth French president in almost 12 years as chancellor. Macron insisted that the European Union should do more to protect itself against dumping.
The government is led by Prime Minister Edouard Philippe, a conservative.