This fork of Activity 7 visualizes the populations of 20 countries for a chosen year (2010 or 2000) as horizontal bar charts. Using React with D3 v5 scales (scaleBand and scaleLinear), it renders SVG rectangles whose widths map to population values, with formatted axis ticks and tooltips. The data is loaded from a remote CSV file via D3's `csv` function and limited to the first 20 rows.