(COMBO) This combination of pictures created on August 22, 2026 shows US President Donald Trump in Washington, DC, on July 13, 2026 and Canadian Prime Minister Mark Carney on August 22, 2026. Canadian Prime Minister Mark Carney announced retaliatory tariffs on the United States on August 22, after walking away from a "bad deal" on trade in a deepening rift between the longtime allies. Negotiations between the neighboring countries broke down August 21 in Washington, putting into force new 50-percent US tariffs impacting about $20 billion worth of goods, or 5.5 percent of Canadian exports to the United States. (Photo by SAUL LOEB and Dave Chan / AFP via Getty Images)

WASHINGTON, DC - AUGUST 22: First Freedom 250 Grand Prix starts with practice laps on August 22, 2026 in Washington, DC. U.S. President Donald Trump established the Freedom 250 Grand Prix weekend as part of the yearlong celebration of America's 250th anniversary. (Photo by Mike Kropf/Getty Images)

WASHINGTON, DC - AUGUST 22: Cars race in the First Freedom 250 Grand Prix on August 22, 2026 in Washington, DC. U.S. President Donald Trump established the Freedom 250 Grand Prix weekend as part of the yearlong celebration of America's 250th anniversary. (Photo by Mike Kropf/Getty Images)

WASHINGTON, DC - AUGUST 22: Washington DC Firefighters watch the NTT INDYCAR series on August 22, 2026 in Washington, DC. U.S. President Donald Trump established the Freedom 250 Grand Prix weekend as part of the yearlong celebration of America's 250th anniversary. (Photo by Finn Gomez/Getty Images)

WASHINGTON, DC - AUGUST 22: Nolan Siegel, driver of the #6 Arrow McLaren Chevrolet races in the NTT INDYCAR series on August 22, 2026 in Washington, DC. U.S. President Donald Trump established the Freedom 250 Grand Prix weekend as part of the yearlong celebration of America's 250th anniversary. (Photo by Mike Kropf/Getty Images)

WASHINGTON, DC - AUGUST 22: Pit crews relax between races on August 22, 2026 in Washington, DC. U.S. President Donald Trump established the Freedom 250 Grand Prix weekend as part of the yearlong celebration of America's 250th anniversary. (Photo by Finn Gomez/Getty Images)

WASHINGTON, DC - AUGUST 22: Pit crews make a repair to race tire on August 22, 2026 in Washington, DC. U.S. President Donald Trump established the Freedom 250 Grand Prix weekend as part of the yearlong celebration of America's 250th anniversary. (Photo by Finn Gomez/Getty Images)

WASHINGTON, DC - AUGUST 22: Fans try to get a view of the 250 Grand Prix Weekend opening day August 22, 2026 in Washington, DC. U.S. President Donald Trump established the Freedom 250 Grand Prix weekend as part of the yearlong celebration of America's 250th anniversary. (Photo by Mike Kropf/Getty Images)