Foreign policy is like how we behave towards our friends or people who we need to interact with in a good way. The United States is a really big and strong country, and China is also really big and strong. They are two different countries on opposite sides of the world.
The United States has been talking to China and doing business with them for many years now. Sometimes, the United States is happy with China and sometimes they are not. It is like when your friend does something bad, you might be upset with them. But if they do something good, you will feel happy.
The United States has always wanted to have a good relationship with China because they are important to each other. They trade goods, which means they exchange things like toys, food, clothes, and other items. The United States also wants to keep peace with China, so they don't get into fights with each other.
Foreign policy towards China has been a bit complicated in recent times. The United States is not happy with some of the things China is doing, and it has been difficult to talk and negotiate with them. For example, the United States thinks that China is not giving fair opportunities for American businesses to work in their country, and also that they are not treating their own people fairly. The United States wants China to change these things so that they can have a better relationship.
Overall, the United States wants to have a positive relationship and work together with China. But they also want to make sure that China is doing the right thing, and that both countries are benefiting from their relationship.