Persians and Byzantines were already weak from fighting among themselves. <span />
B. They are longer and more detailed
South carolina and north carolina
The lands used in agriculture
"Feudus" is a term from latin and describes the relationship between the nobil and a vassal. Tha vassal worked the nobil land in exchange for products, money or other obligations
If you are talking about the 1917 one, then what happened is that monarchy rule ended since the soviets, that is the Bolsheviks, took over the government and executed the royalty, declaring the party of the people as the only one who is allowed to rule the country since it represented the will of the people. The soviet union was established this way.