Final answer:
President Lincoln aimed to unify the North and South post-Civil War through the Ten Percent Plan, requiring 10% of voters to pledge allegiance.
Explanation:
President Lincoln attempted to unify the North and South following the American Civil War through his Ten Percent Plan. This plan required only 10% of a state's voting population to take an oath of allegiance, allowing loyal Unionists to establish governments. Even though Radical Republicans in Congress found this plan too lenient and pushed for more stringent measures, Lincoln's approach aimed to swiftly reintegrate the Southern states back into the Union while promoting loyalty and reconciliation.
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