Answer: B. Emotion-driven
Explanation: I would think in-order to understand the pain of someone or something else you would have to use a little emotion and empathy. Tell me how you do.
Well the bottom level for the feudal system were system or surfs, they were owned my the land so the did all the farming or ranching, and then the next class was merchant and they traded with other towns or cities, so yes the feudalism did allow for production and trade of goods
I believe it's upper and lower
The number of black slaves was less. The population as a whole of black slaves grew. A lot of the soil was bad from over-planting so there was less of a demand for slaves thus some would become free.<span />
Answer: Albert Einstein I'm 100% sure, he helped because he got mad at the same people therefore albert einstein helped.
hope that helped.