Which philosophical movement asserted that observing nature enhances human understanding, that profound truths are accessible through intuition, and that God, Nature, and humanity are interconnected within a single universe?

Explanation

The correct answer is Transcendentalism, a movement emphasizing the spiritual unity of God, Nature, and humanity, and the belief that intuition and nature observation lead to deeper truths. The other options represent political or social systems unrelated to this philosophical perspective.