Answer:
The geographic location led to the rise of the three great West African Empires including, Ghana, Mali, Songhai.
Explanation:
The trade became the reason for the rise of the three empires in the West part of Africa. These kingdoms also came to be known as the trading kingdoms of West Africa. The three empires came to power as people got control of trade routes in West Africa. Ghana was the first of these kingdoms to emerge as it followed by Mali and Songhai. The trade conducted with commodities like salt, gold, etc.
The answer is that there is too much moisture in the air!
This is because the moisture in the air is melting the ice rapidly! Climate change and greenhouse gasses is a big cause for the Antarctic ice caps to not grow rapidly!
Your last one
the aztec gov was made up...loyal to their kings
The correct answer is that the iron support structure was visible
When you build something, the structural points such as pillars are usually not easily discernible to the untrained eye because they fit right there with the remaining walls and things like plaster or bricks. However, his Palace was built out of Glass so the iron supporting structures could easily be seen and it looked great.