*** Expand from front-end to full-stack by integrating React with a backend. #### **Options for the Backend**: 1. **REST API**: - Learn to consume APIs from backends built with Node.js, Spring Boot, etc. 2. **GraphQL**: - Use Apollo Client with React for GraphQL queries and mutations. 3. **Databases**: - Use Firebase for a NoSQL database or integrate REST APIs with relational databases like PostgreSQL. #### **Build a Full-Stack Project**: - **E-commerce Application**: - Product listing and filtering. - User authentication with JWT. - Shopping cart and order management.