America has new, strict rules. People from five more countries cannot come. This starts on January 1st. Some people from other countries also have new limits. The leaders want to keep America safe.
People from some countries are not allowed. Other countries have harder limits. The White House says these rules help America.
The police say some people stay too long. They say other countries do not check people well. They worry about bad people.
This is the third big travel rule. It will stop many people. Many people will not like this.