By the beginning of October of 1950, UN forces had pushed the North Koreans back to the Yalu River. Option three is correct.
By September 1950, UN forces led by the American General MacArthur landed in Inchon and immediately pushed the North Koreans back over the 38th parallel. Later on, by October 1950 they had rolled back the communists to the Yalu River on the border with China.
Thomas Malthus,he warned people to check over population, that it would exceed resource growth...
A terrorist attack on the US. Planes were crashed into the Twin Towers in New York.
The industrial revolution because of the revolutionised communication and transport between cultures which enhanced trade but also warfare
Ancient china's designs had influenced modern china's designs and art