In the years leading up to the world war 1 the balkans region of europe became an area of tension and unrest what caused the conflict in the balkans

Nationalism was spreading through the balkans creating a powder keg or dangerous and volatile situation in the region.

can you show the map , i'll be able to update my answer

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.