Do you think the nonviolence used by civil rights activists was a good tactic ?

Yes, i think it was. If they were to protest in violence whites would've reacted in violence in trying to stop it. Overall it was a wiser and more peaceful protest that may have saved lives.

-Steel jelly.

i think the answer is a and i hope this ; ))

the scientific revolution brought us a renewed understanding of humanity and our place in the universe, new scientific equipment, and new laws as a basis for future scientific discovery.