Because, because of: difference
|Because vs. because of|
|Because is a conjunction. The structure we use is
because + subject + verb.
He moved to London because his girlfriend lives there.
(his girlfriend lives = subject + verb)
|Because of is a preposition. We use the structure
because of + noun
because of + pronoun (you, me, him, etc.).
He moved to London because of his girlfriend.
(girlfriend = noun)
He moved to London because of her.
(her = pronoun)
I was late because of the traffic was bad.I was late because the traffic was bad.
I was late because the traffic.I was late because of the traffic.