Hello. You did not enter the answer options, which makes it impossible for your question to be answered. However, I will try to help you in the best possible way.
Paper was a very important element in ancient China, since it was used in very different ways and in practically all parts of society. The most common use of paper was as documents and form of communication. The paper was also used as packaging, currency, payment, books, maps, umbrella, hat and there are records that affirm that the paper was even used as doors and walls inside the houses.
So the answer to this question is B
<span>each taking charge of their own part of Persia.</span>
