The correct answer in my opinion would be that D is the most important factor here. But this question is quite tricky.
We can surely say for example that literature, organized schools and a hierarchy of priests are not something that constitute a civilization. Organized schools appeared to late, not every civilization had literature and having only a hierachy of priests is not enough to say you have a civilizaton.
Labor has been divided in pre-civilization hunter-gatherer societies as well.
For that reason I'd say the correct answer is D - more food than is needed for survival. Having this, the people in a certain group can focus on other things.
The reason the US got involved in the war was because the Japanese bombed Pearl Harbor which then lead the US to fight in the war against Japan,Germany and other countries
They wanted to make him look rich and wise so they depicted him fat. If he were skinny he would look as if he was poor, and they didn’t want that. So they made him fuller
