I believe the answer is: 1500
The drama usually depict the lives of japanese people during the Muromachi or Tokigawa period. Even until today, noh drama is still considered to be a major theatre in japan, could be easily identified by the usage of conventional gestures and unique masks to separate different roles, such as ghosts, children. elderly, etc.
The Empire was divided into several small territories...and many dynasties came to rule.
The growth of Sub-Saharan African Kingdoms was assisted by Agriculture and Trade. Increase in trade routes led to increase in transportation that played a major in increasing the trade activities that led to flourishing of these kingdoms, the major exports included slaves, gold, copper and animal products such as ivory, pelts, feathers and tortoise shells.
Domestic Tranquility means that there is peace, and no fighting/issues going on where you are living. It can have two different meanings though. It could also mean peace between the different states of a country. :) Hope I helped! For further details, I'd look into Google.