U.S. President Donald Trump may have thought that pressuring Brazil with higher tariffs would help his ally, the country's former President Jair Bolsonaro, but the move apparently backfired. Last week,

Brazilian President Luiz Inacio Lula da Silva on Thursday slammed Donald Trump's threat to impose 50 percent tariffs on Latin America's largest economy as "unacceptable blackmail."In his speech, leftist leader Lula slammed Brazilian politicians who back Trump's policies as "traitors to the homeland.

Trump announced a sweeping 50 percent tariff on all Brazilian exports to the United States beginning Aug. 1. In a letter to Luiz Inácio Lula da Silva, the left-wing leader who defeated Jair Bolsonaro three years ago,