What was the difference between radical reconstruction and presidential reconstruction?

Presidential reconstruction was that proposed by Lincoln after the civil war. It was fairly conservative and very moderate. It provided amnesty to all of a state (excluding high ranking confederate officers) if 10% of the population agreed to say slavery was bad. After Lincoln was assassinated by a southern and his successor, Johnson, was bad, the Senate, run by Republicans, became radical. They changed the plan to make the South suffer more.

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