A style of painting using sharp contrasts of light and dark is the answer! so b is the right answer
Answer:
John Williams Gunnison
Explanation:
John W. Gunnison. John Williams Gunnison (1812–53) was a nineteenth-century US Army officer and explorer. In 1853 he was charged with finding a railroad route across the Rocky Mountains, and while carrying out his mission he explored the Western Slope of Colorado.
Gonna go ahead and say that it could be C. Extent of Trade Routes
