Militarism,alliances,imperialism,nationalism
Answer:
First, Missouri would be admitted to the union as a slave state, but would be balanced by the admission of Maine, a free state, that had long wanted to be separated from Massachusetts. Second, slavery was to be excluded from all new states in the Louisiana Purchase north of the southern boundary of Missouri.
I would say upper class. Both parents seem to have high paying jobs and in my mind wouldn't struggle to provide for their children's educational needs. Where as if they were upper-middle class they might struggle to pay for private schools and college.