Which is an important difference between the freedom rides and unauthorized marches? a. freedom rides were primarily carried out by northerners riding through the south, while unauthorized marches were usually carried out by southerners. b. freedom rides took place only in the deep south, while unauthorized marches were held throughout the south. c. freedom rides were testing whether an existing law would be upheld, while unauthorized marches were intentionally breaking an unjust law. d. freedom rides were intentionally provoking violence, while unauthorized marches were not attempting to provoke violence.