Why Are So Many People Moving Around the World?
People moving from one country to another is a big deal right now. In the U. S. , the number of people coming in and going out has changed a lot. A few years ago, more people were entering the country than leaving. But now, things have slowed down. Some people think this is because of who is in charge, but it's not that simple. The U. S. has been strict about who ca...