Form and rules
How it works
Although/even though + clause expresses contrast; even though is often stronger.
Despite/in spite of + noun or -ing expresses contrast; use despite the fact that + clause if needed.
Because + clause gives a reason; because of + noun/-ing gives a reason phrase.
Use to/in order to/so as to + base verb when the subject of the purpose is the same.
Use so that + clause when you need an explicit subject or modal in the purpose clause.