Which of the following statements about african americans during. Many served as delegates to constitutional conventions. Nearly two dozen served in the u. s senate of house of. Many served in the state legislature or held other government jobs. Which of the following was not among the reactions of northerners to. Embracing lincoln"s plans for reconstruction and a quick peace with the south. In the immediate aftermath of the civil war, southern states enacted laws known as the black codes to maintain white southerners" power over former slaves. In march 1865, congress established the freedmen"s bureau to distribute food and establish schools. The 14th amendment guarantees citizenship to everyone born in the united. According to the constitution, the validation of disputed election returns is the responsibility of congress. President johnson supported the rights of white landowners. The federal government"s authority to confiscate properly came into question. In order to disenfranchise black voters, many states developed a (n) poll tax.