Iran seems to be leveraging the blockade of strategic sea lanes as a negotiating tool. Given its geographical advantage over the strategically important Strait of Hormuz, Iran appears to maneuver increased trade pressure correlating their advantage with global maritime traffic. This geopolitical chess maneuver has the potential to influence negotiations on a global scale.

Japan, being heavily dependent on middle eastern oil, has always been observant and careful with its relations with Iran. With an increase in tensions, Japan is keenly watching the developments unfold, especially considering the potential impact on oil prices and supplies. Japan's foreign policy places great importance on maintaining peace and stability in the Middle East.

In the US, such a maneuver by Iran might be seen as an act of provocation, potentially inviting further sanctions or other punitive actions. The EU, like Japan, would likely be more concerned about its possible effects on international trade and maritime security. However, the reactions may largely depend on the existing diplomatic relationships the nations hold with Iran.