Answer:
I'm pretty sure it's D sorry if I'm young
Technically speaking, it would be "family" that represents a social group that exists in all known cultures, since families are generally crucial for the survival of the individual.
<span>In an effort to preserve the balance of power in Congress between slave and free states, the Missouri Compromise was passed in 1820 admitting Missourias a slave state and Maine as a free state.</span>