1. 1776-1865: Generational chattel slavery, violently-enforced restrictions on freedoms of African American bodies by color/ancestry/expression, wanton asymmetrical terroristic violence against African-American individuals and communities by color/ancestry/expression, arbitrary penal abuse/imprisonment/forced-labor by color/ancestry/expression. [No economic mobility]
2. 1865-1968: violently-enforced restrictions on freedoms of African American bodies by color/ancestry/expression, wanton asymmetrical terroristic violence against African-American individuals and communities by color/ancestry/expression, arbitrary penal abuse/imprisonment/forced-labor by color/ancestry/expression. [No economic mobility]
3. 1968-present: arbitrary penal abuse/imprisonment/forced-labor by color/expression. [Little economic mobility, domestic and community violence]
4. ???
5. Profit?

What is the next-lower threat level of our insecurity? Maybe we can get it down to Level 5 before things start to swing upward.