Supporters of Alberto Fernandez and his running mate and former President Cristina Fernandez de Kirchner, celebrate after Alberto Fernandez wins the general election, in Buenos Aires, Argentina, Oct. 27, 2019.
Supporters of Alberto Fernandez and his running mate and former President Cristina Fernandez de Kirchner, celebrate after Alberto Fernandez wins the general election, in Buenos Aires, Argentina, Oct. 27, 2019.

RIO DE JANEIRO - A center-leftist's victory in Argentine presidential elections is set to cement a rift between South America's largest nations, and suggests regional turbulence could extend for years.

Alberto Fernandez and his far-right Brazilian counterpart Jair Bolsonaro have antagonized each another since August, and their statements since Sunday's vote signal that neither plans to relent.

In his victory speech, Fernandez declared that Brazil's leftist former President Luiz Inacio Lula da Silva — Bolsonaro's nemesis — is unjustly imprisoned and demanded his freedom.

Brazilian President Jair Bolsonaro speaks during the Brazil-United Arab Emirates Business Forum in the Emirati capital Abu Dhabi, Oct. 27, 2019.

Bolsonaro, meanwhile, told reporters during a visit to Abu Dhabi that Argentina had "chosen poorly" and that he didn't intend to offer his congratulations.

Brazil and Argentina are the biggest members of the Mercosur trade customs union that this year celebrated reaching a free-trade accord with the European Union after two decades of negotiations. The deal appeared to be a bonanza for South American farm products, while French farmers feared it would swamp them with cheap imports, particularly beef and poultry.

Brazil's economic policymakers hailed it as a milestone in opening their closed economy, claiming it will have a total economic impact of $87.5 billion in Brazil through 2035. Fernandez, for his part, has expressed skepticism of deal.

Partly as a result of Mercosur, the nations are also heavily reliant on one another for trade and political friction could complicate the growth of job-creating trade and investment.

Fernandez will begin his four-year term in December and Bolsonaro's first term finishes in December 2022, meaning they will simultaneously hold office for at least three years.

Oliver Stuenkel, a professor of international relations at the Getulio Vargas Foundation, a university in Sao Paulo, said open hostility between the two reflects them playing to radical wings of their respective alliances to ensure domestic support. That strategy will make it difficult for pragmatists on either side of the border to defuse the imbroglio, notwithstanding their economic interdependence.

"When you don't have a personal, workable relationship, anything can become a fire. When there's no trust on top, it's hard to put out fires. There will be disagreements," Stuenkel said by phone. "There are doubts about whether Fernandez and Bolsonaro will be on talking terms."

"Bolsonaro didn't call to congratulate; these are petty, small politics and the real big questions that the region faces aren't being discussed or addressed."

South America in recent years saw a surge of center-left leaders known as the Pink Tide retreat, which was mistakenly interpreted at the time as right-wing politicians regaining ground, according to Christopher Garman, Eurasia Group's managing director for the Americas. In fact, the shift represented widespread dissatisfaction with the overall status quo, further evidenced in recent weeks by massive street protests in Ecuador and Chile.

"It's not that voters went right; they just kicked out incumbents. And they remain angry. It wasn't a policy and ideological move when it came to voter demands," Garman said. "That difficult public opinion environment remains, and there is variable capacity of governments to be able to navigate this.  It's the underbelly of difficult middle-class politics across the region."

Countries' positions toward Venezuela's socialist government also divide the region. Venezuela is in the throes of catastrophic depression that's prompted food and medicine shortages, plus the exodus of millions.

Peronist presidential candidate Alberto Fernández, behind, and running mate, former President Cristina Fernández, celebrate after the election results in Buenos Aires, Argentina, Oct. 27, 2019.

Fernandez's party was long allied with Venezuela's leaders and he is widely expected to withdraw from the Lima Group, which includes Brazil, that doesn't recognize the legitimacy of Venezuelan President Nicolas Maduro.

Bolsonaro in August warned a prospective Fernandez government would resemble that of Maduro, and referred to him and his running-mate, former President Cristina Kirchner, as "red bandits."

Brazil's foreign minister Ernesto Araujo said on Twitter on Monday that Fernandez's win sends "the worst possible signals. Trade closure, a retrograde economic model and support for dictatorships." He added Brazil will be pragmatic in its defense of the country's principles and interests.

Argentina and Brazil falling out would have broader implications, as it's impossible to have real debate about South American integration or face up to regional challenges if they aren't on the same page, Stuenkel said.

"It's clearly the most unpredictable period since democratization in the late 1980s. Starting then, there was consensus that more cooperation was better, and that's no longer the case," he said.


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