I honestly am really surprised by your question. Obviously it was done intentionally based on the status of black and white lives at the time. But it does seem implied to some degree based on our status of races today. But I wouldn't exactly say it was an oversight. If I had to make an answer right off the top of my head I would say it would be in between Intentional and it being implied. But it would be closer to intentional in my opinion.
<h3>
Intentional answer Implied</h3>
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(Thats my timeline)
falling prices for crops and livestock
Answer: Separation of power, how this helps!
Ronald Reagan and Mikhail Gorbachev worked together to improve the relations between the US and USSR.
Gorbachev's policies surrounding Glasnost allowed for a more democratic Russia (and also eventually led to the collapse of the Soviets).