Reason clause

From Teflpedia

A reason clause or adverbial clause of reason is an adverbial clause that expresses causality. For example:

Every morning I drink coffee because I need something to wake me up

"Because" is frequently used, and is the one first encountered by language learners, but "since", "as", "given" (and maybe others) can be used as well.

A reason clause is are antonymous to a result clause.