Which factor contributed to the end of the open range in the American west?

How long has traditional Chinese medicine been practiced? Who won the final victor of the crusades? Is history and past the same thing? What is the difference between the real west and the mythic west? How did cowboys live? Who was the ancient roman god of slaves? Which were the largest germanic kingdoms? What was the boundary called that divided east and west Europe during the cold war? How long were ships in 1607? What is the oldest surviving medieval armor? When was Nordstrom created? Roman leaders were concern that the Roman gods .? Where does the last name Curtis come from? Who had the idea of the crop rotation? There were many reasons for the fall of the Roman Empire but the physical reason was the invasions by several barbarian tribes from the North What were the names of these tribes? What were some of the things the crusaders learned from their expedition? Which order suggests that plague was not a new problem in the 17th century? What year was Nordstrom established? Which inventor built the Clermont the first commercial steamboat? How was Ancient Rome created?