Give detailed examples of new modes of transportation that allowed for the spread of commerce and trade, which made the young nation an emerging economic powerhouse

Discussion for American History to 1865 assignment: 

Give detailed examples of new modes of transportation that allowed for the spread of commerce and trade, which made the young nation an emerging economic powerhouse.

Please write this casually for a discussion post. 

Make sure you review the Discussion Rubric (attached) to see the guidelines for post expectations.  The top level for Initial Posts requires posts to be 300 words in total