About America

The United States, as one of the most developed countries in the world, possesses the world's top economic, technological, and innovation capabilities. Its rich history and diverse culture are well-known to the world. The capital is Washington, and the national flag is the Star Spangled Banner. The United States is a highly developed modern country with the world's largest gross domestic product and the largest modern market economy in the world. Industrial production remains stable, and high-tech industries such as information and biology are developing rapidly. The United States has a sound legal system, a complete market system, a favorable business environment, developed infrastructure, and maintains a leading position globally in multiple indicators such as market capacity, financial system, research and development investment, and trade openness. At the same time, the United States also possesses strong military power and a highly developed modern market economy. This is an introduction mind map about the United States. The map contains multiple divergent branches, including: Great Plains, Eastern Woodland, Olmecs, Mound Builders, Aztecs, Teotihuacan, Mesoamericans, Maya, Native American, Hernan Cortez, ACTS, Wars, Goods, and so on. There are dashed lines to indicate association relationships, as well as introductions to sub branches. Suitable for people interested in the United States.