Which speech? You need to put in more context.
The price would go up because there would be more cotton getting produced but since the prices would go up, there would have less demand.
China was involved with the Korean War. The United States and South Korea fought together against North Korea and China. Other countries which are allies with South Korea… or the United States also brought medication, weapons, and other needed supplies. China was an ally of North Korea.
Answer:
No, if you only look at one person's histories you will be forced to accept their biased opinions. Yo will never know the full story. If you the history of many humans you can look at everyone's circumstances and create your own opinion. Rather than have one forced on you.
What documents is there to observe?