<span>A. The North did not allow slavery, while the South depended on it.</span>
Answer: The Treaty of Guadalupe Hidalgo
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Answer:
Roman Engineering
The ancient Romans were skilled engineers and have left lasting contributions in this field. The Romans built a great network of roads connecting cities throughout their empire. They also built aqueducts and bridges using arches for support. The Roman arch design was by far the most important innovation of their time. The arch, however, would have been useless without the discovery of concrete. The Romans had many other such discoveries that would make their engineering skills known throughout the world. The Romans discovered many things that would aid the construction of their great civilization. The Romans discovered that a particular mixture of volcanic rock rubble and water could be used to create very strong…show more content…
These roads were so well built that some of them are still in use by modern travelers. Romans knew that the shortest distance between two points is a straight line and built their roads incredibly straight, stretching for miles without a single turn. The use of stone in building roads enabled people to travel during inclement weather while dirt roads may remain too muddy to travel upon for many days after a hard rain. The Ancient Romans also knew of a road building technique that escapes the builders of modern roads in states such as Florida. This technique is known as crowning, this involves making the center of the roads higher than the sides, with a gradual slope to allow water to run off the sides instead of collecting in the middle. By the time the great Roman Empire fell, the Roman Army had built roads connecting all of their empire to Rome. One of Roman Engineering’s greatest accomplishments was the use of the arch. The arch shape is very strong, able to support great amounts of weight. This allowed Romans to build massive structures that would stand for many centuries. The Romans adapted the arch design to fit many purposes. The barrel vault is merely an elongated arch; this was used for buildings tombs and sewers.
Explanation:
Explanation:
questions to be asked:
1.How you can contribute in the development process of railroad system ?
2.What types of benefits can be achieved through it?
3.What can be the duration of its completion ?
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