Former Vice President Kamala Harris rebuked President Donald Trump in her first major speech since leaving office, accusing her former rival of setting off the “greatest man-made economic crisis” in modern history through his across-the-board tariffs,

Harris has close ties with Emerge America, which sprouted in part from her first successful campaign in 2002 for San Francisco district attorney. The group has helped elect 1,200 Emerge alums to office nationally, according to its website, including U.S. Rep. Lateefah Simon of Oakland and a slew of other members of Congress.

Democratic presidential nominee will mark 100 days of Trump’s second term with her first major speech since leaving the White House.