Okay kiddo, so you know how some people look up to a really important person in their religion, like how you might look up to your mom or dad? That really important person in the Catholic religion is called the Pope!
Now, sometimes the Pope might say things that go against what the government, or state, believes or wants to do. This can cause a conflict between the Pope and the state. For example, the Pope might say that something is wrong or immoral, but the state might say that it's okay or legalize it.
When there's a conflict like this between the Pope and the state, it can cause some problems. People might be torn between following what the Pope says or following what the state says. This is why it's important for there to be open communication and understanding between the two, so they can work together to make decisions that are best for everyone.