Brazil's President Luiz Inácio Lula da Silva has confirmed his candidacy for what is expected to be his final reelection bid, with his Workers' Party officially launching his campaign on Sunday for the October elections.

Lula, 80, faces a political landscape increasingly influenced by foreign leaders. His main rival, Senator Flávio Bolsonaro, has reportedly received open support from figures associated with former U.S. President Donald Trump's administration, Argentina's President Javier Milei, and Israeli Prime Minister Benjamin Netanyahu.

During his party convention speech, Lula stated his intention to bolster Brazil's defense industry and safeguard its rare minerals, asserting that "no Chinese, no American, no French will touch" these resources without respecting the nation's sovereignty. He emphasized the need for bolder actions to enact change within the country.

Workers' Party officials have voiced concerns about potential foreign intervention, citing the influence of leaders like Trump and Milei. Edinho Silva, the party's chairman, remarked that "This election in Brazil determines the future of Latin America," noting that several South American nations have recently elected presidents aligned with Trump's political movement.

Lula's campaign is focusing on policies such as reforming the income tax system to benefit lower-income earners and a debt forgiveness program that has gained significant public approval. The president has also expressed a desire to avoid conflict with Trump.

Concerns about foreign interference extend to the digital sphere, with party politicians highlighting the risk of coordinated bot campaigns and social media manipulation aimed at influencing voters and eroding confidence in Brazil's electronic voting system. Brazilian Vice President Geraldo Alckmin addressed these concerns, stating that Brazil's voting system is robust enough to prevent external manipulation.

This election cycle follows a period of diplomatic friction. Argentina's Milei visited Brazil in late July, where he reportedly insulted Lula and a Supreme Court justice involved in the trial of former President Jair Bolsonaro, who is currently serving a prison sentence under house arrest. Israeli Prime Minister Netanyahu has also released a video endorsing Lula's adversary.

The Trump administration previously imposed new tariffs on Brazilian exports and redesignated two local criminal groups as terrorist organizations, actions that legal analysts suggest could negatively impact Brazilian companies and potentially open avenues for further intervention. These measures were reportedly enacted after Senator Bolsonaro's visit to the U.S. State Department.

In response to potential foreign influence and to safeguard national sovereignty, Lula recently held an extensive call with Chinese President Xi Jinping, underscoring the importance of Brazil's trade relationship with China. Lula's supporters believe he could lead the South American trade bloc Mercosur in forging international trade agreements.

Similar to his father, Senator Bolsonaro has raised unsubstantiated doubts about Brazil's voting integrity. These statements have prompted unease within Brazil's foreign ministry, which reportedly denied visas to two U.S. Department of State officials in July due to concerns they intended to interfere in the election process. The U.S. Department of State has denied these allegations.