How is a suspension construction made? Where is it most commonly used?

What is the stele of hammurabi (above)? how did it come to exist? what is its significance?

Which artist is often considered the leader of the hudson river school and poignantly set up contrast between the cultivated east and the wild west in the united states?

Which of the following was  not  part of the typical medieval mass ordinary service? kyriegloriacredo motetsanctusagnus dei