What led to the end of the Civil War?

The
Northern states had a huge inbuilt advantage over the South from the very start. Their final
victory was virtually inevitable before the first shot had even been fired. For one thing, the
North already had the relevant governmental institutions and economic infrastructure in place to
wage what was effectively the first modern war. As well as having an economy that was
over-reliant on agriculture, the South had to build a new system of government from
scratch.

The Confederate States of America was based to a large extent on
the weak, unwieldy Articles of Confederation that had existed before...