Answer:
B. examples of the classmate's leadership experience
Explanation:
My answer is b. its more apropriate and makes more sence. hope this helps.
Voluminous because the other words endings dont fit with the sentence
on August 20, 1968 the Soviet Union led Warsaw Pact troops in an attack of czechoslovakia to crack down on reformist trends in Prague. It had unintended consequences for the unity though. Although the soviet union action successfully halted the pace of reform in czechoslovakia,