Answer: To mark historical moments in are society, so that we can know when they happened hopefully preventing anyone from distorting information.
The answer is choice C, the superpowers took a step toward peaceful co-existence.
I believe that the Korean War started when the North Korean Communist army crossed the 38th Parallel and invaded non-Communist South Korea.
Answer:The Han dynasty (206 BC – 220 AD) of ancient China experienced contrasting periods of economic prosperity and decline.
Explanation: