Complex sentence: Akerman joined the Republican Party in the campaign for black-American citizenship and suffrage, and was an outspoken proponent of Reconstruction as a member of Georgia's 1868 state constitutional convention and as U.S. district attorney for Georgia (1869).
Split into simpler sentences: Akerman joined the Republican Party in the campaign for freedmen's citizenship and suffrage. He was an outspoken proponent of Reconstruction as a member of Georgia's 1868 state constitutional convention and when appointed as U.S. district attorney for Georgia (1869).