Who invaded Russia in the early thirteenth century? Briefly describe the methods they used to conquer Russia and their results.

The Mongol invasion of Kievan Rus' was part of the Mongol invasion of Europe, in which the Mongol Empire invaded and conquered Kievan Rus' in the 13th century, destroying numerous cities, including Ryazan, Kolomna, Moscow, Vladimir and Kiev, with the only major cities escaping destruction being Novgorod and Pskov.

Explanation:

answer: the risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: