Some of the issues faced by the newly freed african nations include all of the following except:
a. economic struggles
b. political transformations
c. national border disputes
d. ethnic conflicts

The issue that is least likely to be faced by the newly freed African nations is national border dispute. The correct option among all the options given in the question is option "c". Since the country is already free from a foreign rule, so its borders would have a clear demarcation. There is every possibility of the newly freed state to go through economic struggles, political transformations and ethnic clashes.