In the famous lincoln-douglas debates of 1858, which man's position is described below?
1. advocated popular sovereignty.
2. explained that slavery could only exist if the state legislature passed laws protecting slave property and could, therefore, curtail slavery without banning it outright.
abraham lincoln
stephen douglas

B) Stephen Douglas

Explanation:

Hello! The position stated here (via the two principles) is none other than Stephen Douglas'. Stephen Douglas upheld popular sovereignty (or "squatter" sovereignty), and definitely believed in state legislation possessing the ability to protect slave territory, in addition to holding the power to reduce slavery without totally abolishing it.  Hope this helps you!

the answer is option a.