Final answer:
The South was left economically and financially the most devastated after the Civil War due to the destruction of infrastructure and crop failures.
Step-by-step explanation:
The side that was left economically and financially the most devastated after the Civil War was the South. The war had a severe impact on the Southern economy, particularly due to the destruction of infrastructure, crop failures, and the emancipation of enslaved people. The South heavily relied on agriculture, especially cotton plantations, which were severely disrupted during the war. Many Southern cities and towns were also left in ruins, further contributing to the economic devastation.
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