Atribal leader directs members of his small society to raid villages and attack members of any other tribe they encounter. though the group has many strong warriors, it is never able to grow large enough to fight against the large kingdom on its southern border. this situation is most similar to which of the following?
a. russia under the system of serfdom
b. india after resisting the mongol invasion
c. china following its conquest by kublai khan
d. mongolia before the rise of genghis khan