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Social Studies

14 February, 23:52

The map here shows settlement in the 1800s. It also shows roads, trails, and railroads of the same time period. By constructing roads and railroads, people changed their environment. According to the map, this most likely had which effect? A. decreased trade to areas of the East Coast and South B. higher population throughout the western territories C. increased agricultural output from states in the Midwest D. improved relations between whites and Native Americans