What areas of life and society changed so radically during the classical period that this time came to be known as the "age of revolution? "

politics
philosophy
industry
all of the above
none of the above

The caves at lascaux were closed in 1963 because a. vandals were destroying the paintings b. the collective breath of the many visitors caused the paintings to corrode c. the weather was destroying the paintings d. the government of france wanted scholars to be able to study the work without distraction