I believe the answer is d.
They created an Optical Illusion.
The way we see object in a specific area differs significantly depending on our distance and point of view when we see it.
To counteract it ( for example if they want the building to look nice in the picture), many architects create an optical Illusion and it will negate the effect of the distorsion
Farms wanted less competition and more land for farming while miners wanted new mining jobs which the East didn’t have much of
Explanation:
something that attracts you to something
for example the advantages that would draw your attention towards an area