I believe it climate and landformations, Regions are usually made from Gerrymandering
It was that "Flat land with poor drainage led to salinization from irrigation waters," that was a factor in the decline of Sumer, since this led to a build up of salt in the soil, which greatly reduced agricultural output.
Answer:
The Japanese had a rather arrogant opinion that their codes were unbreakable. Most military leaders, if they planned an attack at Port Moresby and were met by their opponents with the most carriers they could have on hand - would wonder if their opponents had prior information to their intent. (It could have been much worse for the Japanese at Coral Sea if it occurred a little later for the two American carriers used in the Doolittle Raid could have arrived in time and would have doubled the airpower of the American fleet.)
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be that it had "little-to-no effect" on trade, since gold and salt in fact allowed many of these kingdoms to profit greatly.</span></span>
