Answer:
While West and East Africa Kingdoms grew political power from the wealth provided by trade, the political relationships in Inland Africa grew out of kin-based networks where families would govern themselves.
Explanation:
The political structure in the Kingdoms of Inland Africa didn´t centralize the power under a single authority. Instead, every city-state had kin-based networks with a male chief who would mediate in social conflicts and represent his network in front of other groups.
Some of theses changes should occur when there is no war going on. This is to make the country be modernized by the technology. If there is a war going on, the improvement of each technologies will be lessen and could possibly be stopped.
The answer is B. Development of railroad systems.
These ancient canals<span> became the basis for the</span>Grand Canal<span> over 1000 years later. It was during the Sui Dynasty that the </span>Grand Canal<span> was built. hope this helps
</span>