What was one ancient china dynasty and evaluate its contributions to the modern world ?

For the better part of fifteen hundred years, the Chinese civilization has given birth to inventions and developments in navigation, spiritual balance, mathematics and natural prevention and diagnosis; since it was this culture that was responsible for the invention and the discovery of such things as porcelain, paper, fishing reels, church bells, rudders, solar wind, the circulation of blood in the human body, the suspension bridge, the technique for drilling for natural gas, the ir

The re-election of the president abraham lincoln.