Answer:
Among the options given on the question the correct answer is option A,
It helped trains run on schedule and avoid collisions.
Explanation: The multiplex telegraph is a device which helped the train in 18th century to run without collision and on schedule.The multiplex telegraph was invented by the Granville T. Woods in 1887.
During that time the train collision was a big problem which caused lot of damage of both life and resources. The reason of the problem was the dispatchers of the train could not communicate with each other easily while controlling the rail way traffic. So the accidents were very common.
But the invention of multiplex telegraph helped the dispatchers to communicate with other dispatchers in different stations.
So, this invention made the rail road safer in 1800s by helping train to run on schedule and avoid collisions.
Answer:A-Economic Problems
Explanation:
At the time there were many problems about the economic stability with the Congress under the Articles of Confederation. So they needed a stronger government (They found that out the hard way).
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Answer:
Because with the term Civil Rights included, I feel as if there was some kind of tension, and from this decisions had arise to try and eliminate some of the tension.
Answer:
They had invented the wheels.
Explanation:
They didn't create warfare nor spears. They created harpoons, but not spears. Plus warfare was going on before them, so we can easily exit that one out as well. Then the compass. They didn't create that either, but they did create, The wheel, the plow, metallurgy, and cuneiform.
