The main issue that was debated by Lincoln and Douglas was slavery.
Answer:
<h2>B. </h2>
Explanation:
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I assume you mean, "In the eighteenth century, what happened with the English constitution? Well, it was <span>an unwritten document, difficult to change, it was unpopular in both England and America, and believed to be holding back colonial expression. Many disliked it. Hope this helps!</span>