Clara barton was the first nurse in the united states of america. true or false?

False.

Clara Barton was not the first nurse but is an important figure in the history of nursing.

Barton was a self-taught nurse who would go on to found the American Red Cross.

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: