This visualization displays a map of the contiguous United States with circles marking the locations of NBA teams based on latitude and longitude coordinates from a CSV file. It uses d3.geoAlbersUsa for projection and d3.geoPath to render state boundaries from a TopoJSON file loaded via topojson.feature. The map supports zooming through d3.zoom, and states change color on hover via CSS. Team circles include tooltips showing team names, while Alaska, Hawaii, and Puerto Rico are excluded from the state rendering.