The answer should be Harp
I believe the correct answer is piers and flying
buttresses.
Builders of Gothic cathedrals reinforced the walls
of their architecture from the outside with piers (such as bridges or arcs) and
flying buttresses (a type of buttress which is composed of an arched structure
that extends from the upper portion of a wall to a pier) in order to provide
the lateral support.
Social protest is usually executed by the general population. It is intended to create awareness of an issues or several issues in order to increase support and further change. Political motive is what drives politicians and leaders to instill changes or take positions on subjects in order to further their power.
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