Who won the civil war?
It would depend on which war was being discussed -- there have
been many civil wars in many countries and societies.
In England, the Civil War was won by the Paliamentary forces
(Roundheads) in 1646, 1649, and 1651, leading to the execution of
Charles I and the 9-year exile of Charles II.
In the US, the Civil War was won by the North (the Union) in
The American Civil War was won by the United States, i. e., the