The United States has a government based on the principles of democracy and a developed economy. The state has a great influence on the world, precisely because of its economic position and military power (thanks to this, the US borders have acquired their modern shape). The United States is a strong and powerful country, it can compete in all directions with other powers.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.