D. The reason for the fall of the Maya civilization is still unknown. There are many different theories attempting to explain the cause of the Classic Maya collapse and the abandonment of Maya cities in the southern Maya lowlands of Mesoamerica between the 8th and 9th centuries: climate change, drought, deforestation, etc. but although the drought is the leading theory at the moment the truth is yet unknown.
To meet the American demand for livestock, the Comanche turned to raiding the area around San Antonio. The Spanish government believed that security would come with a larger population, but was unable to attract colonists from Spain or from other New World colonies.
Answer: It doubled the size of the country and guaranteed US control of the Mississippi River.
Explanation: President Thomas Jefferson and those favoring the Louisiana Purchase justified it as an act done for the good of the country. Initially, President Jefferson had commissioned James Monroe and Robert Livingston to negotiate a deal with France to acquire New Orleans or all or part of Florida, as a means of avoiding the potential of an armed conflict in such areas. Monroe and Livingston were authorized to spend up to $10 million. What they found out was that Napoleon was already set to sell a much wider range of territory to the United States, to finance his European wars. Napoleon was asking $22 million for the whole territory that became the Louisiana Purchase. The US team negotiated the price down to $15 million. But then there was a constitutional crisis back home. Did the President have the authority under the constitution to make such a major addition to the nation's territory and spend the nation's funds to do so? Jefferson himself considered pursuing a constitutional amendment, but his Cabinet members disagreed and the measure was sent to Congress for approval. In a statement he made at the time, Jefferson justified the purchase with this analogy: "“It is the case of a guardian, investing the money of his ward in purchasing an important adjacent territory; and saying to him when of age, I did this for your good."
The answer is C took the test