In reference to infancy, Bowlby believed that . Infant development is a contribution of genetics and environment. Infants do best by being raised by a family consisting of siblings, parents, and grandparents. The relationship an infant has with his or her primary caregiver is most important. Infants are more likely to cry in response to the cry of another infant, compared to that of a chimpanzee.

Which of the following selections is least useful for supporting the claim that states intentionally built unequal school systems? question 1 options: the supreme court ruling in plessy v. ferguson (1896) wrote into law that america had two separate societies: one black and one white. it was very clear by the mid-1900s that southern states had expertly built separate educational systems. these schools, however, were never equal. states with laws keeping schools segregated never gave equal amounts of money to their black and white schools. ten years after brown, fewer than 10 percent of southern public schools had integrated. some areas did not comply at all.