Scale regards to how map units relate to real-world units. Projection treats with the methods and challenges around turning a three-dimensional (and sort of lumpy) earth into a two-dimensional map.
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When we visually represent an area of the world on a map, we must reduce its size to fit within the boundaries of the map. Map scale measures how much the features of the world are reduced to fit on a map; or more precisely, map scale shows the proportion of a given distance on a map to the alike distance on the ground in the actual world. We often choose mapping resolutions intentionally to make the map easier to understand. Scale and keys of telling the map user what the map is measuring on the ground. Projection mechanics, types of projections, and their characteristics. The word “map projection” refers to both the process and product of changing spatial coordinates on a three-dimensional sphere on the two-dimensional sphere. In terms of actual mechanics, most steps use mathematical functions that take as inputs locations on the sphere and translate them into locations on a two-dimensional surface.
Not having the map and can't tell you the scale. However, the TVA program ran along the Tennessee River and included 7 states in the program. The program built dams to stop flooding and brought electricity to the rural area. The states included: Tennessee, Kentucky, Virginia, North Carolina, Georgia, Alabama, and Mississippi.
A major negative effect of the Progressive era was too much government control which led to political corruption in both the state and national level. Powerful politicians became overpowering to the interest of the public resulting in ineffective government
