Which of the social, economic or educational philosophy are you most thankful for? What do you think will our modern life be like without that idea?

These educational philosophical approaches are currently used in classrooms the world over. They are Perennialism, Essentialism, Progressivism, and Reconstructionism. These educational philosophies focus heavily on WHAT we should teach, the curriculum aspect.

i think it's b or c hope this

answer; the edward snowden leaks of nsa classified material;