It's not blacks it's African-Americans
Answer:
Hieroglyphs because words and sentences can be formed with hieroglyphs (the different characters can represent different words and/or letters) which is very close to writing.
The Missouri Compromise—also referred to as the Compromise of 1820—was an agreement between the pro- and anti-slavery factions regulating slavery in the western territories. It prohibited slavery in new states north of the border of the Arkansas territory, excluding Missouri.
