The year that he presumably wrote Oedipus and The King around 430 B.C.E. while Oedipus at the Colonus was presumably wrote around 406 B.C.E.
Mount Sunflower is the highest mountain in Kansas
the ocean ??? im not sure what the question is
So common sence is hard to come by but if you had no common sence back then you would either be poor or rich from the ideas and law suits