How did chopsticks impact the world?

Why were Japanese Canadians put into an internment camps in World War 2? Did people have there heads cut off during french revolution? Which of the following pieces of data would be most helpful to a researcher who would like to study mortality rates in British cities during the Industrial Revolution? What groups in French society at the beginning of the French Revolution was the largest? Where did African slaves go to once they were captured? What were the 72 resolutions mainly about? Why were the Anglo Saxons called Anglo Saxons? How did George Washington Carver change the world with the peanut? What countries were fighting on World War 1? Who gave the domesday book its name? What was the name for a free farmer in Anglo-Saxon England? What was the most important events in the unification of the germanic kingdoms? What is the currency of Jordan? In the Columbian exchange what did Columbus take to Europe back from the Americas? Why doesn't Russia bring back the Tsars? What are the boundaries territory of Austria-Hungarian empire during World War 1? What is an alliance between countries? What two countries did the Mongols conquer in the 1200's? When was the last white five pound note used as currency? What was A difficulty in understanding the Columbian exchange is that?