What conflict arose from a dispute over control of the waterway between Iraq and Iran?

The conflict that arose from a dispute over control of the waterway between Iraq and Iran is the Iran-Iraq War. This war, which lasted from 1980 to 1988, was characterized by a struggle for dominance over the Shatt al-Arab waterway, which forms part of the border between the two countries. Both nations sought control over this strategically important waterway because it is vital for oil exports and trade routes. Tensions escalated after the Iranian Revolution, with Iraq launching an invasion that marked the beginning of the prolonged and brutal war. The war had profound effects on both countries, leading to massive casualties and economic difficulties. The other options relate to different conflicts or circumstances that do not primarily focus on the specific waterway dispute; therefore, they do not fit the context of the original question.