Which Chinese invention has had a greater effect on world history?

Explain this statement slavery was not new to Africans who were captured and brought to the new world as slave? What was the downward filtration theory? In A Separate Peace how is it directly related to World war 2? What was the Edwardian working class? Which countries got independence after 1900? Why is Otto von Bismarck called the architect of Germany? What does tricolore mean? What country did the British Empire rule for nearly 100 years? What school did Laura secord go to? What were Charlemagne's three sons names? What is one way the treaty of Versailles affected Germany after world war? What is Lala lajpat rai father and mother name? How long did worl war 2 continued after 1942? Who's picture is on the brasilian real? What New World product has been responsible for the most deaths of Afro-Eurasian The native people had never been exposed to European diseases and had no immunity since its introduction to the Old Wor? What is a good way to end a DBQ? What was the name 0f Prithviraj Chauhan's father? Why was the Versailles treaty held? When the towers fell on September 11 2001 how did it change the world? What are some pros and cons of a empire?