Some nomadic empires were consolidated by establishing a capital city inside a conquered state and then they exploited the commercial resources of that non-nomadic society. In that situation, the originally nomadic dynasty may become culturally assimilated to the culture of the occupied nation before it is eventually overthrown. The developments were in the 13th century between 1330 and 1406.
Muscle strength is the ability to exert maximum strength in a short period of time. Muscle endurance is the ability to do something over and over again over a long period of time without getting tired.
After Simon experiences the loss in his family it shows that it's affecting both his mental and physical health. By him not sleeping and not eating can take a toll on himself.