US President Donald Trump has consistently engaged in public clashes with world leaders, reflecting his unconventional and aggressive diplomatic approach. Recently, a dispute arose with Friedrich Merz, the German Chancellor, over US foreign policy regarding Iran, with Merz criticizing the US and Trump retorting that Merz should focus on his own country. Trump's contentious relationship with Emmanuel Macron, the French President, has also been marked by personal jabs and policy disagreements, particularly regarding NATO and military operations in the Strait of Hormuz. His confrontations with former German Chancellor Angela Merkel included harsh critiques of Germany's trade policies and immigration stance, which sparked significant backlash in Germany and the EU. Trump's relationship with former Canadian Prime Minister Justin Trudeau soured over tariffs, culminating in Trump retracting support for a G7 Summit statement. Lastly, a notable incident with Volodymyr Zelenskyy, the Ukrainian President, saw Trump publicly berate Zelenskyy during a press conference, further straining US-Ukraine relations amid the ongoing conflict. These incidents illustrate the tensions that have characterized Trump's foreign relations during his presidency.