This example displays a choropleth-style map of the United States using an Albers equal-area conic projection, rendering the nation's landmass in blue against a silver sphere and state boundaries as black lines. It loads US state topology data from the `us-atlas` package, then uses D3 v5's `geoAlbers` and `geoPath` to project and draw the shapes, while TopoJSON's `feature` and `mesh` functions extract the nation and state interior borders for SVG output within a React component.