Answer:
The correct answer is C,<em> Yellowstone National Park</em>.
Explanation:
The creation of the Yellowstone National Park in 1872 happened after a report made by Ferdinand Hayden. Hayden was able to explore the region with government sponsorship in 1871 in what was called Hayden Geological Survey of 1871.
The survey informed the public and the government about different species that lived in the area and the importance of keeping it sake from businesses. The area was withdrawn from public auction and later president Grant created the park in <em>The act of dedication</em>.
Answer: it was delayed by accepting the compromise of 1850
Explanation:
Coal was used to run trains and factory machines.
