The formal accounting of all individuals living in a nation is called what? ?

The idea that desirable traits can be bred into human beings and undesirable ones can be bred out is known as:

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 did economist john maynard keynes believe about deficit spending?