Boundaries established by European governments that placed competing ethnic groups within the same country in Africa led to what?

led to the outbreak of cilvil  wars

Explanation:

Hope this helps  :)

concurrent jurisdiction is the ability to exercise judicial review by different courts at the same time, within the same territory, and over the same subject matter. for instance, a domestic violence matter may be heard in either a general civil court or a family court in the same county. whichever court actually exercises its jurisdiction first will do so exclusively.