Using for to mean because
Who is right
1. Interchange 3 Teacher's Edition 3 page T.B 81 unit 12
by Jack C. Richards (Author), Jonathan Hull (Author), Susan Proctor (Author)
1. For + noun or ( noun phrase)
It`s famous for its music.
MTV is well known for its music awards show.
2. An A to Z of English grammar and usage by Geoffrey Leech, page 148
You can use for instead of because only before a clause
1. The village was full of crowds of people dressed in brightly-coloured shirts and summer dresses, for it was the middle of the tourist season < writting only>
Can you help me Who is right Richards or Leech