Option 'B' = changes in climate, had the greatest impact on pre-historic man.
Changes on the weather forced men to move periodically or cyclically, usually returning to their original location at various times. When they moved to colder climates, they would make clothing out of animal skins, to protect themselves. When the nomads learned how to plant, they didn't need to search for other places anymore.
After the Civil War, the US Constitution became a means to ensure that African-Americans had rights in American society. This was due to the passage of the following three amendments:
1) 13th amendment- This outlawed slavery or forced labor all over the US.
2) 14th amendment- This amendment states that any person born on US soil or naturalized has all of the rights/freedoms guaranteed in the US Constitution.
3) 15th amendment- This amendment states that a person cannot be stopped from voting based on race, color, or past servitude. Essentially, this makes it so that a government can't stop a person from voting based on the fact that they were a slave before this time period.
Answer:
During the Paleolithic Age tools were developed that made it easier for man to survive. These tools included hand axes, stone-tipped spears, harpoons, and bow and arrows. Animals such as dogs are believed to have been first domesticated during the Paleolithic Age.
Explanation:
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