Trump Escalates Global Trade War With 50% Tariffs on Copper and Brazilian Goods

File photo: A train loaded with sheets of copper cathode at the copper cathode plant, at BHP Billiton's Escondida, the world's biggest copper mine, in Antofagasta, Chile

President Donald Trump dramatically expanded his trade offensive Wednesday, imposing a 50% tariff on U.S. copper imports and hiking duties on Brazilian goods to 50%—a punitive escalation targeting a key democratic ally that threatens to destabilize global markets.

The twin measures, set to take effect August 1, mark Trump’s most aggressive trade actions since launching his “reciprocal tariffs” campaign earlier this year. The copper tariff—justified under a national security investigation—aims to revive domestic production for semiconductors, EVs, and defense systems. But the Brazil move, retaliating against what Trump called “attacks on free elections” and “unlawful censorship” of U.S. tech firms, risks spiraling into a full-blown trade war with a top-15 U.S. trading partner.

Copper Shockwaves
Trump’s copper tariff sent miners and manufacturers scrambling to secure supplies before the deadline, with Chile—America’s top supplier—expected to bear the brunt. “America will once again build a DOMINANT Copper Industry,” Trump vowed on Truth Social, blaming past administrations for the sector’s decline. Analysts warn the move could disrupt supply chains for clean energy and electronics, potentially raising costs for U.S. businesses.

Brazilian Backlash
The Brazil tariff hike from 10% to 50% came with a fiery letter to President Luiz Inácio Lula da Silva, accusing his government of persecuting Trump’s ally Jair Bolsonaro and censoring American social media. Trump also ordered a “Section 301” probe into Brazil’s digital trade policies, threatening further sanctions. Lula vowed to respond under Brazilian law, while experts warned of collateral damage: bilateral trade hit $92 billion in 2024, with a rare U.S. surplus.

Global Domino Effect
The announcements followed tariff notices to seven smaller trading partners—including 30% duties on Sri Lanka and Iraq—and build on earlier 25% levies for Japan and South Korea. Equity markets initially shrugged off the moves, but Yale Budget Lab estimates U.S. effective tariff rates have now hit 17.6%, the highest since 1934. Treasury Secretary Scott Bessent touted the windfall, claiming $100 billion in collections this year alone.

EU Deal in Sight?
As tensions flared with Brazil, U.S. and EU negotiators edged toward a last-minute agreement to avert auto-sector tariffs. EU trade chief Maroš Šefčovič hinted a deal could come “in the coming days,” potentially involving quotas or export credits. Trump confirmed talks were progressing but withheld the expected duty rate.

Analysis: Trump’s tariff blitz—just 60 days before the August 1 deadline for most measures—has left businesses paralyzed and allies scrambling. With only two deals (UK and Vietnam) finalized from his “90 deals in 90 days” pledge, the administration risks overplaying its hand as global supply chains brace for further disruption. The Brazil escalation, tied to Trump’s personal grievances, signals a dangerous politicization of trade policy that could alienate democratic partners.

Next Watch: How China responds after being conspicuously absent from Trump’s latest tariff list—for now.

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