 Now, under the Biden administration, of course, the U.S. has been a strong backer of Ukraine's war efforts, supplying Kiev with $175 billion in emergency support. Thursday night, Biden said the U.S. is a global unifier, saying he has gotten 50 other nations, including Japan and South Korea, to show support for Ukraine. But if elected to a second term, former President Donald Trump vowed to settle the war before his inauguration, but did not provide an explanation on how that would be accomplished.