The answer is interracial schools. School segregation in the US started in its de jure form with the passage of Jim Crow laws in the late 19th century. It is affected by the history of southern states as patterns of residential segregation, slave societies, and later school selection programs, and Supreme Court rulings about past school desegregation efforts.
In 1863 the Confederate Congress threatened to punish severely officers of black troops and to enslave black soldiers. As a result, President Lincoln issued General Order 233, threatening reprisal on Confederate prisoners of war (POWs) for any mistreatment of black troops
Answer:
I'd like to say 15
Explanation:
I believe the answer to your question is 15
Between C and D, I am leaning towards D. Don't take my word for granted, though.
How the timeline began from start to continuing from the event you want to start from.