The National Reclamation Act funded irrigation projects in West America. So, as you can imagine - the most likely answer here is B! =)
Technology has totally changed the way maps are made and geographical areas are represented, both regarding the calculation methods and the materials and technology used (nowadays we use databases instead of paper)
In times past, geographers had to rely on anachronistic tools to create maps. Therefore, the accuracy of their calculations was often very poor. Observation and information collected from travelers, sailors and merchants was usually the most common way to create maps, in the absence of more reliable sources. Nowadays, computerized mapping and satellites make it a lot easier to map and represent large geographical areas. In conclusion, the advance of technology has been fundamental for the creation of better and more accurate maps.
Answer:
Social Darwinism cultivated the mindset that Europeans were biologically superior to any other culture or civilization. As a result, they believed it was their right as a "superior" group of peoples to take over "inferior" countries and "civilize them" (enforced european practices or economically exploited them). Their mindset: if they were a superior group of people, they were allowed to take over in order to ensure they do what is best for human evolution as a whole.
Answer: If they had gotten more men.
Explanation: The only way the South would've won was by first getting more men because they were outnumbered compared to the North.