What was developed in 1883 by the railroad companies to standardize the transportation of goods across the nation?

On 18 November 1883, the American Railway Association adopted a "standard time" with four time zones one hour apart.

Explanation:

The standard time system remained under the auspices of the railroad until 1918, when the U.S. Congress adopted the system and put it under the control of the Interstate Commerce Commission (ICC).

hello

question:

when would a new household be started?

a.when the oldest male died

b.when a man and a woman married

c.when the house could not hold everyone

d.when a child was born

answer: us d when a child was born

hope this have a great day and brainlest