What was the significance of the 1983 Department of Education report A Nation at Risk?

It warned that vouchers were the only way to save the nation’s public schools.
It warned that schools in crime-ridden neighborhoods put students in danger.
It warned that students were scoring lower and lower on standardized tests.
It warned that schools needed to do more to educate students about AIDS.

Question

What was the significance of the 1983 Department of Education report A Nation at Risk?
 	
	It warned that vouchers were the only way to save the nation’s public schools.
	It warned that schools in crime-ridden neighborhoods put students in danger.
	It warned that students were scoring lower and lower on standardized tests.
	It warned that schools needed to do more to educate students about AIDS.