What's the difference between jouer and faire (not the meaning)

Pourquoi nicolas sarkozy était-il populaire?

What conditions must be met before you can use the subjunctive? a) you must have two verbs in the same sentence. b) you must use a wedding verb. c) you must have a wedding verb in the first clause and another verb in the sentence. d) you must have a wedding verb in the first clause and a new subject for the second verb.

Can some one answer these questions for me ,