Why was the porcelain of the Song era of such high quality? a. New techniques for producing porcelain were developed at that time.
b. The sheer number of items produced raised the quality.
c. China began to trade porcelain during the Song era.
d. It was created during a strong and wealthy dynasty

answer; /// i believe the three where,tutankhamun,hatshepsut and , im not sure,but maybe (ramses the great)

according to the report, the government has imposed restrictions on freedom of speech, freedom of the press, freedom of assembly, and freedom of association. the official media remained tightly controlled by government censorship and obstruction. restrictions on the freedom to assemble remain a problem in vietnam.

explanation:

d.

the northwest territory became the most densely populated area in the u.s.