In Asia, Chinese leader Xi Jinping is attempting to steer Trump toward abandoning Taiwan in exchange for an expansive U.S.-China trade accord, a key Trump goal. China claims the self-ruled island as its own and hasn’t ruled out taking it by force.

Monday's call was the latest in a flurry of diplomatic and trade parries between the U.S. and China over tariffs and technology export restrictions.

Taiwan's president should take part in "rehearsals" focused on potential enemy movements in order to make more informed decisions during wartime, retired Ukrainian Air Force Colonel Andrii Ordynovych said in an interview with the Central News Agency, which is partially funded by Taiwan's government.

This September, the U.S. International Development Finance Corporation announced a $75 million equity commitment to the U.S.-Ukraine Reconstruction Investment Fund. Pursuant to the U.S.-Ukraine Minerals Deal signed in April, the joint fund will use the revenue from natural resource extraction to finance Ukraine’s economic recovery.

The U.S. side included Army Secretary Dan Driscoll, who met late Monday and into Tuesday with Russian negotiators in Abu Dhabi, Reuters reports.

When asked to comment on claims that China-produced weapons appeared in Russian hands as Ukraine defense force earlier claimed that a set of China-produced Type-63 multiple-launch rocket system used by Russian military was destroyed in Ukraine and whether China will investigate how these weapons appeared on Ukrainian battlefield as known by all that China does not provide military support to Russia,