Answer:
I would imagine that the cause would be that it came out in 1977 which caused it to be a big hit
Explanation:
Now I dont know the specifics the question is very braud for what it is. But from what I can tell since it came out in 1977 that is what started off the star wars franchise so it probably is coming out in 1977 is the cause.
They put quotations around words to show that someone is speaking!
Hope this helped and brainliest much needed and appreciated!:)
Answer:
subscribed!! here is my screen shot