React solves problems you don't often run into when making simple websites with simple functionality. Once you start trying to build complex, dynamic web appli

React solves problems you don't often run into when making simple websites with simple functionality. Once you start trying to build complex, dynamic web applications that involve loads of state changing over time, and user and API interactions, it can get really messy and cumbersome. Think Gmail, Spotify, Facebook. Now if you try to add other engineers to the project, without some sort of framework, it's difficult for them to understand what's going on, or to change things without cascading consequences.