According to the lesson, how did the settlers in the west send their produce back to the east before the canals were built?

The settlers in the West used boats through the rivers and wagons to transport their products East. It was a slow form of transportation and also very expensive. The construction of canals, as well as railroads helped connect the settlers connect with the rest of the nation and facilitate the transportation between farms and cities.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation:

troy donahue,   i think.