Select all that apply.
the two most divisive issues when it comes to eastern european nationalism have been
-politics
-economics
-religion
-ethnicity
-culture

Religion and politics were the most divisive issues which lead to war and bloodshed throughout Europe.

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.