Biden officials harbor deep worries in particular about the fate of their work abroad, where Trump is expected to abruptly shift the U.S.' priorities. The administration is racing to ship a last batch of aid to Ukraine before Jan. 20, for fear Trump will immediately cut off support for the country’s defense against Russia.

In the waning days of his administration, President Joe Biden is pushing to strengthen Ukraine’s position against Russia before the return of Donald Trump to the White House.

President Joe Biden took a slew of measures this week to support Ukraine in its defense against Russia. While late, they could help make a difference.