Need help with 4, 5 & 6 asap i will be giving a brainliest

To what kinds of messages might the brain respond to keep you balanced on one foot?

Rational ignorance suggests that a. voters are ignorant on issues that are not of special interest to them b. voters do not pursue information about issues before voting c. low voter turnout is due to a lack of understanding of the platforms of each political party d. voters are uninterested in the electoral process

What happened in georgia as a result of the supreme court ruling in brown v. board of education?