What is a space which is entirely devoid of matter called in science terms?

That would be a vacuum.

muir's use of diction creates a mood of urgency and fear. the highlighted words - difficult, difficult, force, crooked, struggling, tangled, fallen, fear, faint and hungry - come together to make you feel that the author is in danger. the imagery is clear so that it comes alive in your mind. diction can create a mood which can bring everything else together.

explanation:

mark brainliest and have a great day!

answer; (b); the abolitionist movement;