Answer:
People do bad things because they don't care about the consequences of their actions and how they might affect other people negatively. They only care about their own benefits.
Answer:
Evidence
It is a conclusion drawn from subtext.
Answer:
Ambiguous facts.
Explanation:
A reader may always interpret; facts, symbols, etc... according to her/his own perspective. However, when you add ambiguousness to the fact, as the noun says, you create and cause confusion, as the fact is considered unclear. So if facts are always open to one's interpretation, an ambiguous fact is definitely super open to interpretation!
The error in subject-verb agreement is Joe and his friends prefers