Why did trade along the silk road flourish during the time of han, kushan , parthian , and roman empire

Persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research was approved.persons who are under 18 years of age.persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research will be conducted.persons who are under 21 years of age.

Is it true the ancient egyptians created a calendar that had 10 days in a week

Acase study allows a more detailed look at the life of a single subject than any other study