ordered by the State Department to leave the country on Jan. 23. Non-essential embassy staff was also allowed to leave at government expense.
Russia’s military has been building up troops and equipment along the Ukraine border, and fears of an invasion are mounting.
Moscow has denied planning an attack.The State Department also upped travel advisories to both countries due to "increased threats of Russian military action" and "ongoing tensions along the border, the potential for harassment against U.S.
citizens" and "the embassy’s limited ability to assist U.S. citizens in Russia."What’s causing tensions between Russia and Ukraine?