What american educator wrote the very influential book, democracy and education?

Which of the following best describe the difference between a nation-state and a city-state

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

Why did the colonies want to adopt written constitutions