Now that you know the three types of rocks to look for, it’s time to grab the necessary tools: gloves, rock chisel, safety goggles.
The answer to your question would be A. Planes.
In this context, the term appealing means desirable. Rather than applying the other meaning of appealing which is to call for sympathy, it is a more fit and relevant observation that the model of resistance is a much more desirable alternative than that of war.
