Explanation:
<em>Transcendentalism is a 19th-century school of American theological and philosophical thought that combined respect for nature and self-sufficiency with elements of Unitarianism and German Romanticism. Writer Ralph Waldo Emerson was the primary practitioner of the movement, which existed loosely in Massachusetts in the early 1800s before becoming an organized group in the 1830s.</em>
It is a. principle because the question is asking about the commutative\
