California elects 54 members because the population is greater than Wyoming’s population. Wyoming’s population is smaller so they don’t get more members. For a certain amount of people there is one member.
The Dred Scott decision was the U.S. Supreme Court's ruling on March 6, 1857, that having lived in a free state and territory did not entitle an enslaved person, Dred Scott, to his freedom. In essence, the decision argued that, as someone's property, Scott was not a citizen and could not sue in a federal court.
Catherine Beecher focused on women's roles as educators of children. She was not only known for her forthright opinions on female education, but also for her vehement support of the many benefits of the incorporation of kindergarten into children's education.
Capitalism is my best guess, considering it is one of the few forms of economy that allows mostly free production. Free enterprise could also be the answer.