Answer:
answer: 1. religious tensions between Christians and Muslims
Explanation:
Nigeria, Africa, is one of the countries in the world with the biggest ongoing religious violence nad tensions.
These tensions are between the Christians and the Muslims, were there is an extremist, radical group called Boko Haram. The aim of this radical group is to impose with extreme violence its religion on the entire population.
This religious violence in Nigeria started circa in 1953 and is still very present in modern Nigeria.