Answer:There were many obstacles for building the First Transcontinental Railroad, including the Native Americans who sometimes actively impeded railroad construction, the many buffalo that inhabited the west, and of course the physical obstacles such as the rivers and canyons that had to be crossed and mountains that had to .
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Answer:
The Mongol Empire
Explanation:
The Mongol Empire was not bigger and stronger empire than American empire but also from all empires that were present in the history of the world. It captured about 23 millions kilometer areas whereas area of American empire is 9.8 millions kilometer which is less than half of the Mongol empire. Mongol Empire also had a strong and large military than any other empire. So we can say that Mongol Empire is bigger and stronger empire than American empire on the basis of size and military.
This refers to the human language is productive, ability to create new linguistic messages freely and easily.
Answer:
The six most important characteristics of a civilization are cities, government, religion, social structure, writing, and arts and architecture.
To establishing a civilization - Cities grew on rivers and bodies of water where people could farm or fish for food. Rivers provided transportation and trade. Rivers provided rich soil and water for fields.
