How the change in material from the early to late Egyptian architecture can be seen in the buildings ?

The two principal building materials used in ancient Egypt were unbaked mud brick and stone. From the Old Kingdom (c. 2575–2130 bce) onward, stone was generally used for tombs—the eternal dwellings of the dead—and for temples—the eternal houses of the gods.

Explanation:

the answer is option a.

b. they tried to evict the squatters from the area.

so sorry if wrong