Underground Railway

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Noun1.Underground Railway - secret aid to escaping slaves that was provided by abolitionists in the years before the American Civil WarUnderground Railway - secret aid to escaping slaves that was provided by abolitionists in the years before the American Civil War
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This had given him a glimpse of a profitable future, in which his village would serve as the one depot on the underground railway between Berande and Malaita.
Afterwards he found that the vague feeling of alarm had spread to the clients of the underground railway, and that the Sunday excursionists began to return from all over the South-Western "lung"--Barnes, Wimbledon, Richmond Park, Kew, and so forth--at unnaturally early hours; but not a soul had anything more than vague hearsay to tell of.
They were all young and some of them seemed to make a protest by their hair and dress, and something somber and truculent in the expression of their faces, against the more normal type, who would have passed unnoticed in an omnibus or an underground railway. It was notable that the talk was confined to groups, and was, at first, entirely spasmodic in character, and muttered in undertones as if the speakers were suspicious of their fellow-guests.
There was the organization of the mouth-to-mouth propaganda; the organization, with all its ramifications, of our spy system; the establishment of our secret printing-presses; and the establishment of our underground railways, which meant the knitting together of all our myriads of places of refuge, and the formation of new refuges where links were missing in the chains we ran over all the land.
The city's underground railway system was first proposed in the 1830s and was eventually approved in 1854.
Which was the first London Underground railway line to be built?
He said underground railway structures are more earthquake-resistant as they move with the ground compared with elevated rail platforms.
Defying the naysayers, who alleged the subway project can never be done, Malacanang has vowed its "all-out support" for the construction of the country's first-ever underground railway system.
By 2016 it is estimated that the underground railway saves 115,000 hours a day.
1863: The London Underground railway was opened by William Gladstone.
Laying an underground railway is easier now than in the future.

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