What was its importance at the time it was written, and what is the importance now?
At the time that the constitution was being drafted, including a bill of rights would not have passed it. it had to be passed by all the states, and that would not have happened. They protect specific people from the central government. They were aware of what the governmental abuse was like, and they didn't want anything like that. It protects our very basic rights, like equality, religion and press.