The answer is a because they had many achevements and have many people
The last one. During the crusades, different foods and such were found, different goods were unlocked to europe, and different mathematic and scientific ideas were brought back as well.
it's C because,
Nat Turner's Rebellion was a slave ... The state executed 56 slaves accused of being part of the rebellion, and many ... He witnessed a solar eclipse on February 12, 1831 and was convinced that it ... alarm led to whites' attacking blacks throughout the South
