What is the origin of the wrd aplomb?

The difference between Caesar and Augustus? Do the mongols and Chinese people hate each other? What civilization invented paper and gunpowder? Do the dates on the invasions of the Roman Empire map suggest an invasion of people or a migration of people? Which century was 1960? Was the medieval Steward a peasant? What place did Constantine make the center of power for the roman empire? Why is the caste system so highly controversial in the West? How many days were in the year 1865? What is the Difference between olden day ships and modern day ships? A center where cultures developed and from which ideas and traditions spread outward? How did the crusades in southwest Asia and the travels of Marco Polo in Asia contribute to growth of trade in Europe? Who was the first person to give Oliver a ride in the story the journey of Oliver k woodman? What things did the crusaders face on their way? Where did the villagers go for protection during the Middle Ages? What term describes a temple with a series of engaged columns rather than a free standing colonnade? What were the causes of decline of loyalty and discipline in military that led to the fall of the Roman empire? Who invented weelbarrow? What is a Burgundian? What products from the east interested the Europeans the most?