Adverb Clauses of result answer the question with what result?
These are generally introduced the conjunctions THAT, SO THAT (or SO).
THAT follows SO or SUCH in the main clause.
THAT may be left out in spoken English.
1. The box was so heavy that I couldn’t lift it.
2. His behaviour was such that everybody disliked him.
3. We heard nothing more of him, so that we thought him to be dead.