The development of what means of transportation led to the establishment of worldwide time zones?

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The development of what means of transportation led to the establishment of worldwide time zones?

help??
it is due tomorrow!!!!!! i neeed help can ya give me a source? thanks

2006-12-06 16:35:09 · 3 answers · asked by ♥ღ...∂αηg3яσυѕℓу ιη ℓσν3...ღ♥ 5 in Education & Reference ➔ Homework Help

3 answers

Railroads.
See here: http://en.wikipedia.org/wiki/Time_zones#History

And here: http://wwp.greenwichmeantime.com/info/time-zones-history.htm

2006-12-06 16:41:17 · answer #1 · answered by lalagrrrl 2 · 0⤊ 0⤋

I hope you paid attention in class, because there are 2 correct answers. The concept (and indeed accurate timepieces) were needed for ships to figure longitude. But standardization of time zones did not occur in the U.S. until the rail industry found it necessary.

2006-12-06 16:53:51 · answer #2 · answered by Anonymous · 0⤊ 0⤋

The shipping transportation.â

2006-12-06 16:39:01 · answer #3 · answered by # one 6 · 0⤊ 0⤋