I think it was in 1964, that was when direct army confrontation happened. This was followed by several more conflicts that made use of heavy fighting naval and aircraft with the Gulf of Tonkin resolution that made military measures necessary. There were an estimated 40, 000 deaths and 20, 000 other casualties.
Agriculture was devastated and the Union blockade resulted in little trade.<span />
During the conference, the three leaders agreed to demand Germany's unconditional surrender and began plans for a post-war world. Hope that helps.
Answer:
Hammurabi the ruler of a Babylonian Empire and Darius the ruler of Persia.
Hope this helps, have a great day/night!