The correct answer is C. The closing of the western frontier.
In his 1893 published paper, The Significance of the Frontier in American History, Turner stated that while it was technically true that the frontier was closed, it was the frontier life that shaped the success of the United States. His idea, which was summarized in his frontier thesis, traced the development of the United States using the settlement of the West as a measure. He argued that early settlers were essentially Europeans; they had European values and European character, but because of the frontier experience, they had to adapt, resulting in their placing a greater value on things like ingenuity, democracy and individualism. Furthermore, it was these experiences of living out in the frontier that led to settlers becoming distrustful of authority, less artistic, and more violent.
Because glaciers melted and the sea rose.
The Missouri Compromise consisted of three large parts: Missouri entered the Union as a slave state, Maine entered as a free state, and the 36'30” line was established as the dividing line regarding slavery for the remainder of the Louisiana Territory. Your welcome
1. The Mongols managed to stabilize Asia in the territory they controlled with both military force, and with ethnic, religious, and cultural tolerance.
2. The Mongols contributed to much increased trade between the Europeans and Asians through the Silk Road, especially after they made it safe for travel and trade. This made the people of the two continents much closer, and much more familiar with each other, and it set the stage for the future trade.
3. Before the Mongol conquest, the Europeans saw the Asian people as savages, but after they were able to visit the Far East, and see its development and advancement, they gradually changed their minds, and in many ways felt inferior afterwards.
4. The Mongols had a well established system for fast communication throughout all of their empire, and it was based on horse power and speed, but it was also very well calculated as to how much a single horse can withstand a high speed gallop, so they had stations for changing the horse.
5. Even though the Mongols by many are seen as savages, they were in fact very tolerant to the people's beliefs, and they encouraged all religions in their Empire, and integration between the people with different religious backgrounds.
