What is one similarity between algeria and nigeria? a. both faced periods of religious conflict and violence. b. both were british colonies before winning independence. c. both achieved independence largely through peaceful means. d. both were able to set up stable democratic governments.

Both faced periods of religious conflict and violence.

this is the best option for that question because, Nigeria has a conflict going on between Muslim majority North and christian majority south Algeria has also witnessed series of xenophobic attacks targeting the non -Muslim minority of the country.