Answer from Summershorti:
I take ASL classes, and I don't think there is a "because" in ASL language. You know, in ASL the language is different so there are variations.
In ASL, the term 'because' is the exact same as the sign for 'why'. In ASL, a lot of statements are said by asking questions
Example: My name is Daniel
"MY-NAME-WHAT-D-A-N-I-E-L"