Over the first half of the 19th century, how did major improvements in transportation and communication transform life in the united states?

These new inventions allowed to do stuff more efficiently and faster than ever before. Since we could do things better and faster we could get through emergency better.  This also lead to urbanization as well as suburbans

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .

explanation:

omgggggg i go to k12 too : d