Pontiac Repair: wont start, pontiac grandam, fuel pump

Question
       2001 pontiac grandam se 2.4 liter  hey well we drove my car all day got home turned it off and went to leave about 1 hour later and it wont start can u tell me what is wrong with it????

Answer
Hi
It COULD be
The starter
The battery
the ignition switch
The ignition coils
the security system
the fuel pump
the ignition coils
the list goes on and on..... Does it spin and not start?
Does it just spin and spin
does it not spin at all
does it click?