The answer would most likely be D, access to productive resources. This was part of the reason that Japan became so aggressive during WWII is because they were expanding to gain resources seeing as how Japan is an island about the size of the state of Ohio. I hope this helps :)
The answer to this would be first come first serve
Ellis's concept of “irrational belief” (<span>Maladaptive thinking)</span> suggests that people's generalized "shoulds" and "musts" create their emotional and behavioral dysfunctions.
A famous example is given of the scenario when someone sets a goal of his/her happiness that they are loved by each and everyone around them, this is irrational belief which is actually impossible and moreover this hands over the option of happiness to other people than the person himself. <span />
It made it easier to transport materials to all of the cities
