I believe the answer is D: <span>the treatment of slaves by their owners
Hope I helped! :)</span>
It was easier to create maps to record their findings, and later on printing helped with creating newspapers in bulk. Hope this helped
increased urbanization which led to expansion
Answer:
it helped bring america out of the depression because it showed farming skills.
Explanation:
it taught americans better farming methods, replanting trees, and building dams. This was also important because it created jobs, surplus electricity, and saved water power.
