Enslavement and the emancipation both show fundamental characters of American culture and psyche.
Step-by-step explanation:
The Enslavement happened in the time when European ideas of imperialism had rung true to the American soil too as part of their own identity was imperial takeover of other lands and making them their own in the process.
The emancipation projects under taken quite late were on the ideals on which US was established which were the ones of liberty, equality and fraternity among all that live on that land.