The US President has made a bold move in contacting Vladimir Putin directly via phone call. Largely seen as a departure from traditional diplomatic channels, this strategic maneuver seems to illustrate the President’s determination in managing international affairs directly and swiftly. Details regarding the topic of discussion between the two leaders have not been released.

In Japan, direct high-level communication is highly valued and seen as an instance of bold leadership, which is generally appreciated. However, cooperation and diplomacy are also crucial elements of Japanese political values, and bypassing these can be seen as a controversial move. The Japanese public will be closely observing the outcomes of this call for potential ramifications on Japan's own international relations.

In contrast to Japan, the US often favors direct communication between leaders. It's a common practice for the US Presidents to directly engage with other global leaders. In Europe, the approach might differ due to the collective decision-making process involved in the European Union.