Feudalism was the system of rule during the medieval period. The liege lord granted land to a vassal in exchange for service and an oath of fealty. ... Additionally, feudal contractswere agreed upon in exchange for things other than military service, including produce, protection and salary.
They are the guiding principles of their respective religions: Chirstianity, Buddhism and Islam.
In Russia, World War I became the catalyst for the ovethrow of Czar Nicholas II and the rise of the Communist Party (Bolshevik Revolution) led by Vladmir Lenin. Russia became the first Communist country. Communism eventually spread to small countries near Russia and eventually spread to Cuba, China and Vietnam.
Answer:
It improved communication across longer distances.
Explanation:
