1. The climate of America helps her athletes to become superior to other countries.
  2. This tobacco is the best of any other on the market.
  3. You men are paid three dollars more than any other factory in the city.
  4. I thought I was best fitted for an engineering course than any other.
  5. Care should be taken not to turn in more cattle than the grass in the pasture.
[Cause and Reason]

5. A simple statement of fact may be completed by a because clause.

But a statement containing the reason is must be completed by a that clause.

Because, the conjunction, may introduce an adverbial clause only.

[Note.]Because of, owing to, on account of, introduce adverbial phrases only. Due to and caused by introduce adjectival phrases only.