The installation is a mix of sculpture, artifacts, propaganda and is a representation of a fictional museum on the colonization of Africa and the West Indies. The pieces used here come from various points in the artist's career.
Though imaginary? It is also real. This is the sort of installation that people need put in some sort of context to really get after a long day walking around looking at art. How many stopped and went through this at length?
You should want to find out more about Smith and you can do so at nyugensmith.com.