The United Nations' sole function is to provide humanitarian aid around the world.
The answer is c,d,a those are the correct answers
Answer: Kievan Rus is also called as the land of Rus. It is located in Russia.
Explanation:
The internal cause of the down fall: The empire weaken by the collapse of the commercial trade with the Byzantine empire and this lead to major economic crises in 12th century.
The various rival regional powers were influencing the working of the state.
The external cause of the down fall: The Mongol invasion in 1240s caused the complete fall of the state.
Answer:
Manorialism, also called manorial system, seignorialism, or seignorial system, political, economic, and social system by which the peasants of medieval Europe were rendered dependent on their land and on their lord. Its basic unit was the manor, a self-sufficient landed estate, or fief that was under the control of a lord who enjoyed a variety of rights over it and the peasants attached to it by means of serfdom. The manorial system was the most convenient device for organizing the estates of the aristocracy and the clergy in the Middle Ages in Europe, and it made feudalism possible.
Explanation: