Brazil's President and presidential candidate Luiz Inacio Lula da Silva (C), Brazil's Vice-President Geraldo Alckmin (L) and Brazil's Economy Minister Fernando Haddad (background) walk amid cofetti holding a national flag during a campaign rally at 1º de Mayo municipal stadium in Sao Bernardo do Campo, state of Sao Paulo, Brazil, on August 16, 2026. Brazilians will go to the polls next October 4 once again deeply polarized and under the shadow of US President Donald Trump, who has backed conservative candidates in recent elections in Latin America. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)

Brazil's President and presidential candidate Luiz Inacio Lula da Silva addresses supporters during a campaign rally at 1º de Mayo municipal stadium in Sao Bernardo do Campo, state of Sao Paulo, Brazil, on August 16, 2026. Brazilians will go to the polls next October 4 once again deeply polarized and under the shadow of US President Donald Trump, who has backed conservative candidates in recent elections in Latin America. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)

Brazil's President and presidential candidate Luiz Inacio Lula da Silva addresses supporters during a campaign rally at 1º de Mayo municipal stadium in Sao Bernardo do Campo, state of Sao Paulo, Brazil, on August 16, 2026. Brazilians will go to the polls next October 4 once again deeply polarized and under the shadow of US President Donald Trump, who has backed conservative candidates in recent elections in Latin America. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)

Brazil's President and presidential candidate Luiz Inacio Lula da Silva addresses supporters during a campaign rally at 1º de Mayo municipal stadium in Sao Bernardo do Campo, state of Sao Paulo, Brazil, on August 16, 2026. Brazilians will go to the polls next October 4 once again deeply polarized and under the shadow of US President Donald Trump, who has backed conservative candidates in recent elections in Latin America. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)

Brazil's President and presidential candidate Luiz Inacio Lula da Silva addresses supporters during a campaign rally at 1º de Mayo municipal stadium in Sao Bernardo do Campo, state of Sao Paulo, Brazil, on August 16, 2026. Brazilians will go to the polls next October 4 once again deeply polarized and under the shadow of US President Donald Trump, who has backed conservative candidates in recent elections in Latin America. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)

Brazil's President and presidential candidate Luiz Inacio Lula da Silva and First Lady Rosangela 'Janja' da Silva wave at supporters during a campaign rally at 1º de Mayo municipal stadium in Sao Bernardo do Campo, state of Sao Paulo, Brazil, on August 16, 2026. Brazilians will go to the polls next October 4 once again deeply polarized and under the shadow of US President Donald Trump, who has backed conservative candidates in recent elections in Latin America. (Photo by NELSON ALMEIDA / AFP via Getty Images)

Brazil's President and presidential candidate Luiz Inacio Lula da Silva and First Lady Rosangela 'Janja' da Silva watch a screen displaying images and stories about Lula during a campaign rally at the 1º de Maio municipal stadium in Sao Bernardo do Campo, Sao Paulo state, Brazil, on August 16, 2026. Brazilians will go to the polls next October 4 once again deeply polarized and under the shadow of US President Donald Trump, who has backed conservative candidates in recent elections in Latin America. (Photo by NELSON ALMEIDA / AFP via Getty Images)

Brazil's President and presidential candidate Luiz Inacio Lula da Silva hugs First Lady Rosangela 'Janja' da Silva during a campaign rally at 1º de Mayo municipal stadium in Sao Bernardo do Campo, state of Sao Paulo, Brazil, on August 16, 2026. Brazilians will go to the polls next October 4 once again deeply polarized and under the shadow of US President Donald Trump, who has backed conservative candidates in recent elections in Latin America. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)