The claims declared "that all persons held as slaves" within the rebellious states "are, and henceforward shall be free.".
<h3>Conflict and ethnicity have scarred Africa for centuries. ... Ethnic diversity can become an impediment to economic growth and social stability, for instance, if particular groups are given preferential treatment by a government or a national leader, a situation which has been endemic in the past in parts of the continent.</h3>
<h2>please mark in brain list </h2>
Answer:
by drafting the 13th amendment
Explanation:
later on making the 14th and 15 to help with get rid of discrimination and oppression.
