Why does micheal lewis begin his speech with humor and the request that the students give themselves a round of applause

How many people died in battle during world war 1? a. 8-9 mill b. 3-4 mill c. 1 mill d. more than 10 mill

What is the columbian exchange? o a. the changes that resulted from europeans settling in the new world b. the relationships that columbus and his men had with the natives they met o c. the ships that columbus bought with money from the king and queen of spain o d. the increase in the number of native american towns in the new world

Which northern renaissance author challenged the church with in praise of folly