As a country of immigrants, what are the cultural characteristics of the United States?

As a country of immigrants, the cultural characteristics of the United States are:

The United States is a typical immigrant country, and its ancestors come from all over the world. The formation of American culture is closely related to these immigrants. Immigrants brought their own cultural traditions to the fertile land of North America. The blending of various cultures and the superposition of North American life have created the unique immigrant culture of the United States. At the same time, its unique nation-building process has also played a great role in promoting immigrant culture. These immigrant cultures developed unique characteristics such as liberalism and pragmatism.