This example demonstrates how to integrate D3 with React by rendering a force-directed graph. It uses `d3.forceSimulation` to compute node positions and `d3.forceLink` for edge connections, while React handles the SVG rendering of circles and lines. The visualization updates reactively as the simulation ticks, illustrating a pattern for combining D3’s layout algorithms with React’s component lifecycle. The data is a static array of nodes and links defined in the code, serving as a reusable starter template for more complex interactive network diagrams.