Much of the growth can be attributed to the building of the transcontinental railroads. In 1862, Congress passed the Pacific Railway Act, which authorized the construction of a transcontinental railroad.
Answer:
Article Two of the United States Constitution gives the president broad executive and enforcement authority to use their discretion to determine how to enforce the law or to otherwise manage the resources and staff of the executive branch.
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Explanation:
By studying the political science of government and economics in different countries.
<u>Explanation:</u>
Geographers are specialized people who describe the physical, environments, human features and people's interaction on earth. Human Systems describe how humans settle in the earth, created permanent features, formed societies and ongoing actions and ideas of the people.
Also, they interested in identifying the interdependence of the people. They will be studying politics and the economic activities of people all over the world. This study is also known as cultural geography or Human geography that includes human activities and the relationship to the physical and cultural environments.
The study of politics and economics will provide them with information like how people were governed and how people's lives were changed (economically) at a period of time in a particular region.