Okay kiddo, let's talk about united cities and local governments. You know how we live in a town and there are people who take care of things like the streets, making sure there's water and sewers, and making sure the town is clean and safe? Well, there are many towns all over the world, and they also have people who take care of them, but sometimes those people want to work together to make their towns better.
That's where united cities come in. It's when different towns or cities work together to solve problems or make things better for everyone. For example, maybe one of our neighboring towns doesn't have a lot of trees, but our town has plenty. We could work together to plant more trees in that town to make it prettier and healthier.
And local governments are the groups of people who are in charge of making decisions for their towns. They are usually made up of a mayor or leader, along with other people who are elected or appointed. When united cities work together, the local governments from different towns get together and figure out how they can make things better for everyone.
So basically, united cities and local governments are when different towns or cities work together to make things better for everyone, and the people in charge of each town get together to figure out how to make that happen. It's like teamwork for grown-ups!