The premises of feudal breaking up

it is split into smaller regional state structures, each characterized

by significant autonomy if not outright independence

Feudal fragmentation

Russian state was divided into 13 (other estimates, 15) virtually

independent from each other provinces (principalities): Kiev, Vladimir-Volyn, Galicia, Polotsk, Chernigov, Smolensk, Novgorod region and etc.
In most of the principalities formed a local Rurik dynasty (except for Novgorod and Kiev, which were considered the common heritage of all the Rurik).

of Yaroslav the Wise. The princely family grew and each

of the descendants with the support of local boyars, sought independence.
Thus, there was a whole system of separate princely possessions, which in 1097 secures Lyubecheskiy Congress.

the Great managed to suspend process of disintegration that helped

to get rid of the external enemy – Polovtsian.
The common enemy and ability of the Prince in Kiev to keep control over other lands and princes-relatives – these were the main components of the "unity" of the country.

throne of Kiev did not have a strong character, it

was impossible to avoid the collapse.

dominance of natural economy

Growth of cities, urban population and development

of crafts

In addition, there were other objective and subjective prerequisites for feudal fragmentation:

of Russian lands, which lasted until the end of the

15th century, is not an exception.
The positive consequences in the development of the country include economic growth, the development of feudal land ownership, crafts, trade, the increase in the number of cities.

Pros and cons

It was expressed in the fact that the relationship of

princes was an endless struggle for military and economic power, which resulted in internecine wars.
In addition, with increasing isolation, the country's vulnerability to external danger increases.