Answer:
This is only my opinion but:
Explanation:
Yes, because in war it is important that a government's citizens believe in the war they are fighting for. otherwise, soldier's morale may decrease due to losing the war or comrades committing atrocities which is unfortunately almost inevitable in all wars. But at the same time, it is important that a government not lie to their population and continue with a war that is unjust.
Well first and the foremost this was one of the largest migrations in human history. The Bantu moved a lot across Africa and the contact with other cultures enriched their own and in response their culture influenced a lot of others. So the just the massive scale of the migration was what overwhelmed the other tribes.
Hope this helps you and I think your answer is going to be the last one if not the last one then it is going to be the first one