Answer:
In 1963, and to this day, many people believe that Abraham Lincoln’s Gettysburg Address was the greatest speech of the nineteenth century, if not the greatest speech ever given. Notice how Dr. King begins what many believe is the greatest speech of the twentieth century as Lincoln did by setting the speech in time. Using Lincoln’s life and work as the foundation for his speech gives it immediate credibility. Note, too, the extraordinary and vivd use of visual imagery. In this paragraph alone you’ll find six such images: a symbolic shadow, a beacon light, seared in flames, withering injustice, joyous daybreak and long night of captivity.
Explanation:
The baby boom is also called Post-World War II baby boom, and this already reveals the cause: after the war the economy was raising again, after hard times, and people were optimistic about the future
The crusades helped to increase trade between the Europeans and the Middle East.
A centralized government where all the powers are held by a single, central agency. An example of this is Great Britain