(From L) US President Donald Trump, German Chancellor Angela Merkel and French President Emmanuel Macron attend a ceremony at the Arc de Triomphe in Paris on November 11, 2018 as part of commemorations marking the 100th anniversary of the 11 November 1918 armistice, ending World War I. (Photo by BENOIT TESSIER / POOL / AFP) (Photo credit should read BENOIT TESSIER/AFP via Getty Images)