It can’t be affected by ones subconscious,but it can be affected by Emotions and gut feelings. Basically things that trigger the brain to think certain things or do things a certain way. Sort of like how anxiety could occur...
18.D
19.A
20.C
21.B
theses are going to be your answers
C. It led in a mass migration of African Americans to the Midwest.
I believe the answer you're looking for is <span>Sergeant, if not let me know and I will do further research.</span>