faith6129 faith6129
  • 25-09-2017
  • History
contestada

Which technological improvement did the railroad bring?

Respuesta :

Kalahira
Kalahira Kalahira
  • 05-10-2017
To keep the trains run on time, switching and communications systems were innovated. Tunnels, bridges, Traffic lights and several miles of electrified tracks were laid. Also diesel locomotives were introduced which enabled to transport more freight with less number of workers.
Answer Link

Otras preguntas

True or false- 20th century sports marketing efforts focused primarily on female fans?
Which of the following best describes how the y values are changing over each interval? They are increasing by 20 each time. They are increasing by 40 each time
Question is in picture posted but this needs 20 characters so here ya go
When x increases from a to a + 2, y increases by a difference of 8. For which functions is this statement true? A) y = 2(4)x B) y = 2(8)x C) y = 4x + 2 D) y
How do I do this and whats the answer please
help me with this question
What is a characteristic of material in the public domain? A. It is more easily recognized in any legal proceeding. B. It gives exclusive copyright protection
If you are not fit, ____.
Which statements use rhetorical devices? Select two options
What is the opposite of 45