A study routine is the answer
<u>The Ka'bah was built to worship a single God, which is called monotheism. </u>
The people used it to worship multiple traditional gods, which is called polytheism, by leaving their religious possessions there for protected keeping.
Where is 5a and 5b? Is it in the link?
I might be wrong, but I believe that it's D.) Delaware.
Sorry if it was incorrect.