Brazil is preparing for a highly consequential presidential election on Sunday, with significant attention focused on potential foreign influence, particularly from the United States. The contest pits incumbent President Luiz Inácio Lula da Silva, a leftist and former union leader, against right-wing challenger Flávio Bolsonaro, son of former President Jair Bolsonaro. Brazil’s role as the largest economy in Latin America and its abundant natural resources have made the election a focal point for both regional and international observers.

In recent months, the U.S. administration under President Donald Trump has engaged in actions perceived by many Brazilians and political analysts as attempts to sway the election in favor of Flávio Bolsonaro. These efforts have included meetings between Trump and Bolsonaro at the White House, tariff increases on Brazilian exports, and attempts to send U.S. officials and envoys to Brazil purportedly to assess the country’s electoral system. Brazilian authorities have resisted such moves, citing concerns over sovereignty and electoral integrity, and blocked the foreign delegation efforts.

The Trump administration has not publicly endorsed any candidate but is widely seen as supporting the Bolsonaro camp through economic pressure and diplomatic moves. This comes amid rising concerns over misinformation campaigns, some originating from U.S.-based groups and social media accounts amplifying Bolsonaro’s chances despite polls showing a tight race. Critics argue that these actions mark a continuation of a pattern of U.S. interventions in Latin American politics, reminiscent of past efforts to destabilize governments in countries such as Venezuela, Bolivia, and Honduras. Supporters of Lula emphasize his track record of economic growth and poverty reduction during his previous presidential terms, highlighting his policies that broke from the so-called Washington consensus and brought significant social advances to Brazil.

Flávio Bolsonaro’s campaign has sought to link Lula’s administration to a major financial scandal, although evidence points toward Bolsonaro’s own involvement in controversies. Jair Bolsonaro’s presidency ended amid a failed attempt to overturn the 2022 election results and subsequent conviction for leading an insurrection on January 8, 2023, which drew comparisons to the U.S. Capitol attack.

In response to fears of foreign interference, Brazil has taken several measures to safeguard its election. The electoral court has intensified efforts to combat misinformation, including imposing stricter rules on digital platforms and launching public awareness campaigns. Court officials have invited hackers and political observers to test the security of Brazil’s electronic voting machines, widely regarded internationally as among the most secure. Surrounding these domestic measures, Brazil has sought diplomatic support from European, Asian, and other international partners to help defend the electoral process and counterbalance potential U.S. influence.

Public trust in the electoral system remains a concern, with recent surveys indicating increased skepticism among Brazilian voters. However, officials including Supreme Court Justices have reaffirmed confidence in Brazil’s democratic institutions and pledged robust responses to any threats to the vote’s legitimacy.

The election’s outcome—whether it solidifies Lula’s return to power or results in a Bolsonaro presidency—is expected to have significant implications for Brazil’s domestic policies and its role in regional geopolitics. Analysts note that a Bolsonaro win would likely strengthen ties with Washington on issues such as security and resource management, contrasting with Lula’s emphasis on national sovereignty and independence from external pressures.

As Brazil approaches the election, many observers within the country remain vigilant against foreign interference, underscoring the importance of upholding democratic principles amid an intensely contested and geopolitically sensitive vote.