Complex sentence: During the 1930s and 1940s, the DCNA helped raise the number of blacks registered to vote; it also worked to increase job opportunities for blacks and to promote black candidates for elected and appointed positions in Durham.
Split into simpler sentences: During the 1930s and 1940s, the DCNA helped raise the number of blacks registered to vote. It also worked to increase job opportunities for blacks and to promote black candidates for elected and appointed positions in Durham.