African Americans usually can not easily trace their ancestry during the years of slavery through surname research , census and property records , and other traditional means .
The African - American movement to discover and identify with ancestral tribes has burgeoned since DNA testing became available .
African - American   usually can not easily trace African - American 's ancestry during the years of slavery through surname research , census and property records , and other traditional means .
The African - American movement to discover and identify with ancestral tribes has burgeoned since DNA testing became available .