Clark Kent hides his identity from Lex Luthor since he wishes to keep his loved ones safe.

Who is "he" in this prior sentence?
Clark Kent
Walmart is enforcing strict guidelines for customers this Black Friday because they do not want a recap of the disaster that occurred the previous year.

Who is "they" in this prior sentence?
Walmart
The veterans defeated the newcomers because they were less experienced.

Who is "they" in this prior sentence?
the newcomers