two main deepwater port cities?

The United States has several major deepwater port cities, but two of the most important are:

- Los Angeles, California: This port city is located on the Pacific coast and serves as a major gateway for trade with Asia. It is the largest container port in the United States and handles a significant amount of cargo traffic, including automobiles, clothing, and electronics.

- Houston, Texas: This port city is located on the Gulf of Mexico and serves as a major hub for energy exports, particularly crude oil and natural gas. It is also a major center for petrochemical and manufacturing industries.