How did the march to the sea affect the confederacy during the civil war

It hurt the confederacy very harshly, by destroying many crop fields, taking control of a vast amount of previously controlled confederate land, and scaring many confederate supporters off.

Explanation:

Sherman led a march of about 60,000 soldiers from Atlanta to Savanna, Georgia.

The intention was mainly to scare any remaining confederate supporters off. Anyone who opposed had their possessions taken and their property burned. They did not destroy whole towns but they destroyed many crop fields, resulting in reduced rations for soldiers and less food for the families at home.

They also ended up capturing Atlanta, which at the time was a main railroad hub in the south, and also home to the ICOTC or the industrial center of the confederacy. It held many supplies for all of the armies in the deep south.  

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explanation: