The one that was not a major cause for Bantu migration was : B. Slash and burn agriculture
Slash and burn agriculture developed hundred of years after the Era of Bantu civilization
hope this helps
Lots of debt and economic stagnation.
The 14th amendment was declared.
<span>Assuming that this is referring to the same list of options that was posted before with this question, the answer is that it allowed for penetration of enemy lines for extended periods of time, since its armor withstood bullets. </span>