What caused the balkanization of Czechoslovakia and Yugoslavia?

a)earthquakes

b)ethnic conflict

c)impassable mountain ranges

d)use of two different alphabets

Verified Answer :

B.) Ethnic Conflict caused the balkanization of Czechoslovakia and Yugoslavia

Hope this helps!

At a guess, I'd say b ethnic conflict ... that seems to have had something/a lot to do with the outbreak of world war 1.