Why did Lincolns election as president convince southerners that they had lost their voice in the national government

Because he supported the freedom of slavery and the people in the south still wanted to keep their slaves

Explanation:

billygate was not one of the scandals

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south