The White House did not respond to questions about what legal mechanism he would use to impose the tariffs or how the administration would calculate the rate of the levies.
The claim came as the Trump administration vowed to withhold funding from states that fail to participate in federal programs purporting to secure elections.
The U.S. president is set to attend the final match between Argentina and Spain, and FIFA’s leader has said “the plan” is for Trump to help present the trophy.
There was widespread speculation beforehand that Trump would use his speech to relitigate the 2020 election in the state, which he lost narrowly to Joe Biden.
The leading candidates to replace Graham Platner as the Democratic nominee to challenge Sen. Susan Collins are presenting themselves as fighters in his mold and calling for ICE to be abolished.
The president promised major revelations on election integrity but largely revived familiar claims of fraud, criticized media outlets and urged passage of legislation that would curtail voting.