see strength of materialsstrength of materials, measurement in engineering of the capacity of metal, wood, concrete, and other materials to withstand stress and strain. Stress is the internal force exerted by one part of an elastic body upon the adjoining part, and strain is the deformation or change in. ..... Click the link for more information.
The Koreans are believed to have originated from ancient China. This is gathered from the archaeological and linguist evidence.
People have been living on the Korean peninsula since prehistoric times, slowly developing their own distinct culture and civilization. The Korean people were first united by the Silla Dynasty in 668 A.D. Since then, Korea has had to contend with the expansionist ambitions of its neighbors.910: Japan Colonizes Korea. In 1910, the Chosun Dynasty ended with Japanâs annexation and colonization of Korea. Koreans remember the Japanese colonial rule as a brutal experience. Resistance groups formed in Korea and China, mostly adopting leftist politics in reaction to the right-wing Japanese administration.