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This example visualizes population data for ten countries using a horizontal bar chart rendered with SVG. The chart maps population values to bar widths via a linear scale and country names to vertical positions using a band scale. The visualization is built with D3 v5 within a React framework, using `csv()` to load data, `scaleLinear` and `scaleBand` for scaling, and `axisLeft` and `axisBottom` to draw axes. The posted `line` element is also included.