The cost of Iran's regional war to American farmers The blockade of the Strait of Hormuz by the Iranian armed forces quickly affected the costs of fuel, fertilizers and financial credits and multiplied the financial problems in this industry. The recent tensions and developments in the West Asian region have once again drawn the attention of research institutions and analysts to the extensive economic and political implications of Iran's regional war. Meanwhile, the energy supply chain, the global oil market, and especially the security of transportation in the vital arteries of maritime trade are among the issues that directly affect the macro-economy and the public's livelihood.