According to Aristotle, plot is the most important element of tragedy.
Dorothy Vaughan had six children, so it was really hard to commit to them and science at the same time. But this reconciliation was, in her case, a philosophical matter of private and public interest. What she did as a scientist helped her children too, just like so many other children, and humanity in general. As a mother, she naturally missed her children and wanted to spend more time with them; but she had this other mission as well, which was even more important, in terms of humanity.
C. It uses totally opposite suggestions to get what you want
<span>In July 1836, Andrew Jackson issued the Specie Circular, which required that public lands be purchased using "gold or silver," since it was thought that this would be better for the US economy. </span>
