It is an instrumental leader
He opened the port of new orleans to american ships
Could you give me an example of the excerpt? Thanks!
The first Transcontinental Railroad in the United States was opened on May 10th, 1869- the correct answer is:
in the 1860s.
The plans to build such a Railway have started as early as 1930s.
It actually didn't connect both coasts, but ended far from the East Coast.