History, 12.11.2020 01:00, XxrazorxX11

Which best describes a development that improved railroad safety? Railroads adopted standard time to coordinate schedules.
Railroads offered fold-down beds so that people could sleep more comfortably.
Companies standardized track technology so that they could use each other’s tracks.
Companies replaced hand-operated brakes with air brakes on trains.

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Which best describes a development that improved railroad safety? Railroads adopted standard time t...