That statement is true.
In a plot of a story, the relationship that characters have tend to create some sort of conflict.
This conflict usually will be the hindrance of the main character to achieve his/her goal and at the same time, became a bridge that help the character thought process and move the plot along with it
hope this helps
Answer:
New Mexico is being personified and it's human action is holding the canvas
Explanation: New Mexico is the main subject of this sentence, and although dry and vast describes New Mexico, it's ability/action to hold a canvas is what makes it personified.