A choropleth map of the United States displays avocado sales volume for each state during the week of 1/15/2017, with darker red fills for higher values and grey for missing data. Semi-transparent circles, sized by d3.scaleSqrt, are positioned at each state’s centroid via d3.geoCentroid and d3.geoPath to show total volume. A time slider below, built with d3.scaleLinear and axisBottom, lets a user scrub through all 2017 weekly dates, triggering a re-render that updates both the map fills and circle radii. The visualization uses TopoJSON for state boundaries, d3.zoom for panning, and loads data from a CSV file.