What is the last step before a bill can become a law?

answer:

after both the house and senate have approved a bill in identical form, it is sent to the president. if the president approves of the legislation, he signs it and it becomes law. or, if the president takes no action for ten days, while congress is in session, it automatically becomes law.

explanation:

yup! you are correct it is b.

after the roman empire, the catholic church began to unify by taking on many duties of a government.