Find someone who lives in a city which has an important port.
By the beginning of the 20th century, it was an important port.
As a result it has become an important port over the years.
It is also the most important port in the country.
Texas City emerged as another important port in the area.
Jefferson was one of the most important ports in Texas between 1845 and 1872.
The city is one of the most important ports in Alaska.
It is one of the most important ports in France.
For almost five hundred years it was an important strategic military port.
It was a naval base and also an important international port.