By working together voluntarily, the railroad companies were able to standardize their timetables in 1883. The correct option among all the options that are given in the question is the second option. The creation of time tables made the railway system more efficient and people could know the exact time at which their goods or the people travelling will reach their destination.
In order to keep off people who have some form of threats off the airplanes, the passenger list are maintained and mornitored by the Transportation Security Administration.
<h3>What is the passenger list?</h3>
The passenger list refers to a manifest of passenger that contains their details while on course of a journey to another location
Hence, these passenger list are monitored and maintained to keep people who are possible threats off airplanes.
Therefore, the Option A is correct.
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<em>brainly.com/question/19268349</em>
Revenue means "money coming in" or "income"
The disaster<span> that Roosevelt believes will affect the United States is the aggression of the Axis Powers. He was aware of the fact that the Nazi Germany is rapidly expanding its territories by invading Poland in 1939. He predicted that the US will soon be affected on this spectacle.</span>
six different states including Missouri, Kansas, Nebraska, Wyoming, Idaho, and Oregon. Hope it helps
