× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
T
3
s
3
o
3
G
3
k
3
C
3
a
3
K
3
f
3
j
3
b
3
c
3
New Topic  
sharkgirl sharkgirl
wrote...
Posts: 737
Rep: 0 0
6 years ago
The United States changed to standard time zones when
 
  a. Congress passed a law establishing this system.
  b. the railroads needed to develop coordinated schedules across the continent.
  c. factories demanded standard time schedules.
  d. long-distance telephones required standard time coordination.
  e. farmers needed to know train schedules to deliver crops to market.
Read 67 times
1 Reply

Related Topics

Replies
wrote...
6 years ago
b
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  935 People Browsing
Related Images
  
 210
  
 1357
  
 339
Your Opinion
What's your favorite math subject?
Votes: 315

Previous poll results: Where do you get your textbooks?