What were the internal and external causes of the downfall of Kievan Rus?

the answer is b for brother

c. troops marched forward in close formation against newer, more accurate weapons

john locke is most associated with the idea of consent of the governed which is the idea that the government is only valid if it has the consent of the people who are being governed.

hope this

the answer would more than likely a.)falling crop prices  

hope the answer is right and ,either way have a nice day.