Shigeru Miyamoto was the mentor of Satoshi Tajiri, so he taught many things.

Who is "he" in this prior sentence?
Shigeru Miyamoto
When Sue went to Nadia's home for dinner, she showed her a big teddy bear.

Who is "she" in this prior sentence?
Sue
Soldiers of the armed forces were slowly being phased out by genetically engineered soldiers because they were created solely for the purpose of excelled warfare.

Who is "they" in this prior sentence?
genetically engineered soldiers