Sentence examples for or because from inspiring English sources

The phrase "or because" is grammatically correct and can be used in written English.
It is typically used to introduce a second option or reason for something, after a first option or reason has already been mentioned. One example of its usage could be: "I can't go to the party tonight, or because I have to work, or because I have a family commitment." This indicates that the speaker has two possible reasons for not being able to attend the party: work and a family commitment.