The Treaty of Versailles officially ended World War I and forced Germany to accept blame for the war.
Southern Democrats is the correct answer.
It was the issue of slavery which mainly divided US into northern and southern states and further Democratic party into southern Democrats and Northern Democrats. The Southern Democrats were pro-slavery and thus challenged the Northwest Ordinance's prohibition of slavery by the late 1850s.
An oral history dictated by a soldier’s adolescent son since it is primary (first hand) evidence and he would be able to answer additional questions