The idea of nullification was NOT a legacy of the Civil War.
The correct answer between all the choices given is the last choice or letter D.
D.the idea of nullification
Step-by-step explanation:
The Sesquicentennial of the American Civil War is an occasion to reflect the legacy of that great conflict. This legacy is our heritage, and despite many permanent features, we continue to accommodate the resolution of that conflict. The Civil War was supported over constraint, but not always on account of slave.