The person chose to head the newly-formed department of health, education, and welfare in 1952 was unique because

aristocracy, timocracy, oligarchy, democracy, theocracy and tyranny

explanation:

i disagree that there is little difference between adult female development and adult male development. sociological studies comparing female and male pathways to adulthood, revelead that there are sustancial differences between them. particularly, female and male differ from timing of marriage, when they began to live with children and the likelihood of combining wife/husband and parent roles.

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail

answer; gender,race,age,/// (d) all of these;