I'm pretty sure it is Theme.
Theme is the central topic of the text. passage, story, or anything else. So it may possibly also be the same for the underlying meaning and universal truth...but again, I am not sure.
The assumption that Japanese Americans posed a threat to national security.
Answer:
to ensure that all of the facts in your report are accurate
1. Don't be greedy, and selfish. It can backfire.
2. Mr.Dog asked for some pizza, and Mr.Pig declined, even though he was already stuffed. Mr.Pig had to pay the consequences of being greedy and not sharing the pizza with Mr.Dog. Mr.Pig was weighed down by all the food he ate, because he didn't share with Mr.Dog. Mr.Dog and Mr.Pig switched situations when Mr.Pig got caught by the hunter. Mr.Dog now has food for himself.