The Romans exploited the opportunities afforded to architects by the innovation of the true arch (as
opposed to a corbeled arch where stones are laid
so that they move slightly in toward the center as
they move higher). Explain the function of the true
arch.

The Romans also took advantage of the possibilities afforded to architects by the innovation of the true arch (in comparison to the corbeled arch where stones are laid so that they tilt slightly towards the middle as they move upwards). True arches can span more distances than a simple post-and-lintel.

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