Which of the following statements concerning the Tatar invasion of Russia is most accurate?
a. the Tatars rapidly devised a closely supervised local administration for the Russian cities
b. Tatar supervision did not destroy Russian Christianity or a native Russian aristocracy
c. the Tatars used Russia as a springboard for the successful invasion of western Europe
d. Tatar control of Russia lasted for four decades
e. Russia became a Mongol possession permanently
Answer: B