Hi!
A state has all of those characteristics except an ethnicity. An ethnicity is something which belongs to a person or group.
While a state may have groups of people who belong to certain ethnicities, a state itself does <em>not </em>have an ethnicity.
Hopefully, this helps! =)
The Nazi people were less likely got executed in the concentration camps. The main target of the concentration camps were the Jews, Romani, homosexuals and criminals. These concentration camps were created after Hitler took control of Germany. Many people were killed in these concentration camps.
Answer:
Speciality is a pursuit, area of study, or skill to which someone has devoted much time and effort and in which they are expert
Cold War should be correct! :)