The right to self rule is sovereignty.
Answer:
The compromise lasted until the passage of the Kansas-Nebraska Act in 1854, when Illinois Senator Stephen Douglas proposed legislation allowing the issue of slavery to be decided in the new territories. ... Once the transatlantic slave trade was prohibited, domestic slave trading throughout the South increased.
Explanation:
The word is worried which describes the neighbor who helps the speaker in "Mending Wall" repair the wall. The tone of the main speaker is somehow distant trying to stop that force to love the wall. The neighbor may be worried of the speaker about his situation.
The answer would be letter D.