Which Position Was Taken by Stephen Douglas in the Lincoln-Douglas

Which position was taken by Stephen Douglas in the Lincoln-Douglas debates?

A) Local self-government was essential in order for American to truly be a free county.
B) Only the national government had the right to decide whether slavery was legal.
C) Blacks would eventually achieve the same rights as whites, but the time was not yet right.
D) Slavery was a moral wrong, but the government had no right to outlaw it.
E) Slavery needed to be extended to the West Coast to ensure the freedom of southerners.