President Trump and President Luiz Inácio Lula da Silva, who have had a rocky relationship, met for talks on trade and other issues. But they skipped a planned joint appearance.
The attack happened in late January during a town-hall meeting in Minneapolis, at the height of the Trump administration's immigration crackdown in Minnesota.
The small businesses had argued the new tariffs were an attempt to sidestep a landmark US Supreme Court decision that struck down the Republican president's 2025 tariffs.