As a nation, what is the United States often called?
举一反三
- The United States is the most populous nation in the world, ranking behind China and India.
- 中国大学MOOC: The vehicles that carry freight are called ______ in the United States or ______ in the United Kingdom.
- Officially the United States of America began as an independent nation with the Declaration of Independence in July 1776.
- History shows that the United States as a nation _____ a great deal _____ the African-Americans(非洲裔美国人).
- The United States has a large population of 323 million, which makes it the __________ populous nation in the world.