Ethnic unification occurs when an ethnic group consists of multiple minorities. lives together as a separate nation. hopes to join together in a new country. wants to split away from other minorities.

Join together in a new political nation.

   Hopes to join together in a new country.

Explanation:  Ethnic group is one in which people identify with one another based on language, culture, common ancestors, genetic constitution, etc. There may be multiple ethnic groups in one territory or in one country, which is most often the case. Such ethnic differences can be the cause of various conflicts, and we are also witnesses every day. In order to avoid such conflicts, ethnic unification occurs when many different ethnic groups are united in a political way in a new political state.

i think its provide for the common defense