Do you mean her overall purpose? Like how she wanted to give all of the people in public art and urban culture a voice so she organized groups to create multiple murals? Or are you talking about a specific mural?
It helped power the trains and steam boats.
Answer:
B. The black plague
Explanation:
The black plague was a devastating epidemic that took place from around 1347-1351. The plague was extremely deadly, and it killed an estimated 75 to 200 million people in Europe and Asia. Medieval literature, art and culture was extremely influenced by this catastrophe. As Chaucer wrote The Canterbury Tales during this time period, it is likely that this historical event influenced the story choices of the monk.