President Dilma Rousseff will go into diplomatic overdrive as the World Cup kicks off tomorrow, with meetings planned with two dozen leaders including Vladimir Putin, Angela Merkel, as Brazil soaks up the global spotlight.
Despite affording less time to the international arena than her predecessor Luiz Inacio Lula da Silva, Rousseff has a chance during the Cup to strut the diplomatic stage on home turf.
"Foreign policy during the Cup will be important, because of the large number of visitors at a time when Brazil's international agenda is full of pressing issues," David Fleischer, professor emeritus at the University of Brasilia, told AFP.
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The high-level US visit is seen as a chance to smooth relations between the two countries after a row erupted over revelations Washington had been secretly monitoring government communications, including those of Rousseff.
The Brazil leader told foreign correspondents at a dinner last week there was a chance she would reschedule the state visit to Washington that she cancelled in October over the surveillance row.
However, she said she was still waiting for a "clear signal" the United States would desist in future from eavesdropping on Brasilia.
Biden will attend the United States' opening World Cup match on June 16 in Natal against Ghana, and then meet with Rousseff in Brasilia the following day.
Rousseff will host a dinner for Merkel on Sunday in Brasilia, a day before the German leader watches her country take on Portugal in the northern city of Salvador, Rousseff's office told AFP.
Brazil and Germany joined forces following the US spying revelations to sponsor a UN resolution to limit cybersnooping.
Meanwhile, Rousseff is looking to push a free trade agreement between the Latin American Mercosur bloc and the European Union.
Seeing a chance to push the diplomatic offensive, Brazil has arranged its hosting of a summit of the BRICS developing giants -- Brazil, Russia, India, China and South Africa -- for July 15, two days after the World Cup final.