Lord and Nobles (lord of the manor) who fought for king was given Fiefs (Portion of land) in return for their loyalty and services during the feudal system in Medieval Europe. However, king also grants lands known as fiefs to vassals in return of military services so that their land could be protected from Evasion by other rulers and further vassals can grant land to their salves and can ask for produce and services.
Explanation:
Seven equal value coins amount to $0.61
Let us assume each has a value 0f $x.
Now as per question
7x = 0.61
x = 0.61/7 = 0.087
So each coin was x≅ $0.087
Research ethics are general rules that are followed when doing experiments to insure that no permanent harm comes to the test subjects or anybody else as a result of the research. This is perhaps even more important in sociology because the test subjects are human.
The Ming Dynasty was established in 1368. It ruled from 1368 - 1644.
