Why was the American Civil War inevitable?

I think a
more appropriate answer would be that
the Civil War was inevitable from the founding of separate
colonies in the
Chesapeake area and New England in the 1600's. The southern economy was

agricultural because the area had good soil and long growing seasons which lent itself
to large
scale agronomy. This situation did not exist in the North, where
thin soil and short growing
seasons made shipping and manufacturing the only
reasonable method of economic
success.

Differences
between the two arose not so much over slavery
(although it was always the
gigantic elephant in the room) as over issues such as the Tariffs
imposed to
protect Northern industry which were injurious to the southern economy. The
first
serious threat...