The Catholic Church is like a big group of people who believe in God and Jesus and they follow certain rules and traditions to show their faith. The state is like the people who run the country and make the rules that everyone has to follow.
Sometimes, the Catholic Church and the state have different ideas about what is right and wrong, or they might have a disagreement about what is best for the people. This can cause tension between them.
But over time, they have found ways to work together and respect each other's beliefs. For example, in some countries, the Catholic Church might have a say in how schools are run or who can get married. In other countries, the state might help fund the Church's activities or protect its religious sites.
Sometimes, there are big events that bring the Church and the state together, like when a new leader is chosen or when there is a disaster that affects many people. In these times, they might set aside their differences and work together to help those in need.
Overall, the Catholic Church and the state have a complex relationship, but they have found ways to coexist and work together for the betterment of their communities.