The oldest mesoamerican civilization is the Olmec civilization
The obstacles that were faced by the Central and Union Pacific region workers are harsh weather conditions. Thus, option C is correct.
The building of railroad network in the Central and Union Pacific region is followed with great difficulties and challenges.
<h3>What are challenges faced by the workers</h3>
The railroad was constructed at the terrain region. It is hard to deal with the conditions. The poor workers laid on mountains in the pacific region, and risk their lives with granite and explosives.
The difficulty faced by the workers of Union and Central Pacific region is the harsh weather conditions. Thus, option C is correct.
Learn more about Central Pacific, here:
brainly.com/question/7382089
Answer:
Reason, nature, happiness, progress, liberty & freedom.
Explanation:
Reason: divine force; makes humans human; destroys intolerance
Nature: good and reasonable; nature's laws govern the universe
Happiness: achieved if you live by nature's laws; don't have to wait for heaven
Progress: society will always go forward and improve; like science, society will be perfected
Liberty & Freedom: French philosophers envious of English freedoms; wanted personal freedom in speech, jobs, religion, trade and travel
What led to the outbreak of the bloodiest conflict in the history of North America? A common explanation is that the Civil War was fought over the moral issue of slavery. In fact, it was the economics of slavery and political control of that system that was central to the conflict.