Answer:
Frederick Douglass was a truly extraordinary person. He was born into slavery but learned how to read and write. He was a very persuasive person, an abolitionist, he influenced and advised the leaders of the United States and he even edited a very influential black newspaper for 16 years. He was internationally famous as an orator and writer.
The answer to this question is
The scholars had seen examples of it before written on rolls of papyrus, a writing material used by the Egyptians.
Tax the people
could not ensure laws were carried out
could not controll trade between states