While U.S. President Donald Trump announced tariffs on allies and foes including Europe, India, Japan and China, some of the world's most heavily sanctioned countries - Russia, Belarus, Cuba and North Korea - avoided being singled out for special punitive treatment.

President Donald Trump announced the imposition of reciprocal tariffs on goods from 180 countries; however, notably absent from the list was Russia. "It's possible that an exemption mechanism was applied for critical raw materials,