What a significant difference between the first crusade and the second crusade?

What century 1984? What were some 12th century last names? Did the roman colosseum use math when it was being built? Why did the Muslims wanted to battle the first crusades? What were the negative effects of trading in ancient rome? What was the Roman name for St Albans? What were the long-range effects of the crusades? What was the double standard for women in the 1920? Who was known as the father of the Romans? Who invented the first steamship ever? What motivated europeans to explore in the 15-16 centuries? What year since 1940 did January 11 fall on a Tuesday? What was the English currency in 1605? What empire stretched from the mediterranean sea to India and allowed conquered people to be relatively independent from the empire? What is the opposite of a millennium? What was the approximate life expectancy for the average European living in medieval times Why was it higher than those living in the Roman Empire? Did Jacque cartier find a route to Asia? What were the two main social groups in rome? Did the poor have a renaissance? How good is western red to burn?