[Q]: How does the sentence end?

Megan didn't think twice about giving Katrina some extra cash, because

[A]: Katrina was very poor.

[Q]: How does the sentence end?

Though they are both in unhappy marriages, Joel is staying with their spouse while Kevin is not because

[A]: Joel doesn't believe in divorce.

[Q]: How does the sentence end?

Kyle got paint all over their hands during renovating the wall but not Leslie because

[A]:
Kyle was very sloppy.