Conversation so far:
who started the civil war in the united states
War broke out in April 1861 when secessionist forces attacked Fort Sumter in South Carolina shortly after Abraham Lincoln had been inaugurated as the President of the United States.
how long was the civil war in the united states
The American Civil War was a civil war in the United States from 1861 to 1865.
how did the american civil war end
The American Civil War ended in Spring, 1865. Robert E. Lee surrendered the last major Confederate army to Ulysses S. Grant at Appomattox Courthouse on April 9, 1865.

Question: how many people died
Self-contained rewrite: how many people died in the american civil war