This example demonstrates a React component that fetches a CSV file from a GitHub gist using D3's `csv` function, stores the resulting data in React state via `useState`, and then displays the raw data as large text in the browser. The visualization shows the parsed CSV data rendered directly as a string, with the code initiating the fetch within the component body and updating the state asynchronously. It uses React 17, D3 v7, and ReactDOM to render the `<App />` component into the HTML root element.