The Journeys Of Niccolo And Maffeo Polo Demonstrated That European Society Greatly Changed After The Western Roman Empire And The Carolingian Empire Fell. The Europeans Obviously Showed That They Were Interested In Political Organization, Demographic Increase, And Economic Growth, Which Allowed Them To Make Their Way Back Into The Larger World. Europeans Became Interested In Political Organizations In The High Middle Ages.
I'm not 100% sure but i do believe germany helped start the war by there political takeover done by hitler and the nazi's, so i would say A would be the best answer seeing as it would be the only type of take over suggested here. Hope this helps!