Answer:
amygdala
Explanation:
In simple words, The amygdala relates to the group of cells close to the centre of the brain. There are two of them, one in each hemisphere or side of the brain. That's where feelings are given sense, recorded, and connected to connexions and reactions (emotional remembrances).
The amygdala has been thought to be representative of the limbic structure of the brain. Amygdala refers to the particular brain area that handles feelings such as anxiety, provokes anger as well as motivates everyone to behave.
The Transcontinental Railroad innovation had the GREATEST impact on westward migration immediately after the American Civil War.
After the Civil War, there was great interest and opportunity with westward expansion. With the invention of the railroad, the transport of goods and people became quicker and less expensive than ever before.
