Lincoln was trying to appeal to Southern voters by picking Andrew Johnson as his running mate. These two men were actually very different politically speaking. Lincoln was a Republican, Andrew Johnson was a Democrat. Lincoln was from the Midwest US, Andrew Johnson was from Tennessee.
Lincoln knew that having a Democratic Vice President who once represented a Confederate state (Tennessee) would allow his presidency to appeal to a wider range of voters.
Option A is the right answer.
Began around 10,000 B.C, the Neolithic revolution in the history of Human marks the transition from small nomadic bands of hunter-gatherer to larger agricultural settlement and early civilization. People in the Paleolithic age used Primitive stone tools, whereas tools in the Neolithic era were more sophisticated. People during this age invented new types of tools such as sickle blades and stone axes etc. People in the Paleolithic age lived in small groups of 20- 30 people in caves, or in cabins made of tree branches, while, the Neolithic people with the advent of agriculture and raising cattle moved to settle as the farmers and villagers.
