Answer:
During the Paleolithic Age, hominins grouped together in small societies such as bands and subsisted by gathering plants, fishing, and hunting or scavenging wild animals. The Paleolithic Age is characterized by the use of knapped stone tools, although at the time humans also used wood and bone tools.
Explanation:
The two main reasons why Douglass opposed John Brown in his plan to raid Harpers ferry is because first he was sure that the plan would fail and thus it would lead to many black deaths. The second reason is that Douglas thought that this plan would hurt the abolition movement due to a backlash.
I'm assuming you are talking about the American Civil War. There is still a certain level of racism in the South that was heightened by the Civil War and the Southern economy is not as good because they are still behind industrially because they relied so heavily on cotton around the time of the war. Also punishments from Reconstruction and the increased industrialization in the North that occurred as a result of the war has and will continue to hurt the South.
Answer: create oxygen as a by-product