[Q]: How does the sentence end?

Emily preferred the European union to the Middle-Eastern region, because the

[A]: union was more peaceful.

[Q]: How does the sentence end?

All the teachers say Jessica is their favorite student but not Amy because

[A]: Jessica is a friendly child.

[Q]: How does the sentence end?

Felicia had to stop and talk to the guard but not Maria because

[A]:
Felicia did something wrong.