An advantage of a building that cannot be seen from below is А
it can have a lot of buildings.
B
it can serve as a welcome center to visitors.
с
it can remain hidden from invaders.
D
it is easily found by people looking for it.

it can have a lot of buildings.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.