I think it was because dynastic rulers were so caught up with war that they had to let china have a time of peace so they could focus on wining their wars. I hope i helped you out!
5. The United States wanted to acquire the Mexican Cession to B. complete the transcontinental railroad across the Southern United States.
However, it is important to note that this is also part of the Manifest Destiny. However, in this case, the more accurate answer is B, as the Gadsden purchase was used to create a easier route for the railroads to get laid (as the area surrounding were mountainous). However, it also played an important role in the Manifest Destiny, as it continued the policy of continuing to expand westward (though south west).
6. I believe it is A. Factors of the Creation of the Monroe Doctrine., especially in the long run.
The Monroe Doctrine was created during the presidency of James Monroe, who was office from 1817 - 1825. You must remember that the Louisiana Territory was under French rule, Florida, and south-western parts of the United States was under Spanish rule, and other European countries claiming smaller territories within the current US. However, with the purchase of the Louisiana Purchase as well as the Gadsden Purchase and the Acquisition from both the Texas Independence (in which Texas joins the Union), and the Mexican-American War, the US gained large amounts of territory at once, as well as large amounts of population. The Monroe Doctrine was an ultimatum to European countries, in which the US was the regional power, and that it would use it's resources to "protect" it's neighbors and it's own interests. In this case, the European countries were not to interfere with territories in the US, creating the U.S. sphere of influence. However, existing colonial powers were not removed by the U.S.
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I think the answer is the first choice but I'm not 100% sure
It should be byzantium 80%sure
B. authors is the correct answer for this one!
