The professor highly recommends the student because he appreciates an inquisitive mind.

Who is "he" in this prior sentence?
The professor
The army organized their forces to sneak past the Decepticons in the city because they needed to use stealth to their advantage.

Who is "they" in this prior sentence?
The army
The Chinese Empire banished the Wu Shu family from the kingdom since they tried to avoid conflict.

Who is "they" in this prior sentence?
The Chinese Empire