A renewable source is one that can be renewed.
Some examples are solar energy, biomass and wave energy
The Mayans developed a hierarchical government ruled by kings and priests. They lived in independent city-states consisting of rural communities and large urban ceremonial centers. There were no standing armies, but warfare played an important role in religion, power and prestige.
Answer: B. Spread of the bubonic plague.
Explanation:
The spread of the Bubonic Plague or the Black Death has nothing to do with the Mongols. Scientists speculate that the first wave of the disease arrived in Europe by sea trade routes from Asia to Italy. Italy has been a center of European trade for a long time, and the diseases were transmitted to the mainland by infected ship rats. The plague ravaged Europe on several occasions, and in the first wave, half of the European population died as a result of the infection.
Answer: they all wanted to avoid problems between English and Indians