Bangladesh, Sept. 24 -- The world is witnessing a seismic shift in trade and geopolitics. What began years ago as a skirmish between Washington and Beijing has now expanded into a full-scale tariff war reshaping alliances across continents. Under President Donald Trump, tariffs have become not just an economic tool but a weapon of geopolitical coercion – one that spares no ally, punishes rivals, and redraws the map of power in real time.

In recent months, India and Brazil have found themselves in the crosshairs. Their continued purchase of discounted Russian crude has provoked Trump into imposing sweeping tariffs – 50 percent on Indian goods and similar measures against Brazil.

At the same time, Trump has urged the European ...