Donald Trump’s threat to impose secondary sanctions on countries buying Russian oil is probably more symbolic than practical, leading oil analyst and senior fellow at the Carnegie Russia Eurasia Center,

President Donald Trump has threatened 10% tariffs on BRICS members—Brazil, Russia, India, China, and South Africa—for attempting to challenge the dollar's dominance. The BRICS nations criticized the unilateral tariff as inconsistent with WTO rules.

President Donald Trump may have expected a Russian shudder of fear to greet his threat of “very severe tariffs” on the country if it didn’t agree a ceasefire in Ukraine.