Reality check, Ukraine has been fighting a war against russia since 2014, which includes the Trump's Presidency.
Russia-Ukraine War, war between Russia and Ukraine that began in February 2014 with the covert invasion of the Ukrainian autonomous republic of Crimea by disguised Russian troops. The conflict expanded in April 2014 when Russians and local proxy forces seized territory in Ukraine’s Donbas region; over the next seven years, more than 14,000 people would be killed in fighting in eastern Ukraine.
There was no war in Ukraine during President Trumps time.