Brook Farm in
Massachusetts, the Oneida Community
in upstate New York, and New Harmony in Indiana were
similar in that they

(A) were religious communities inspired by the Second
Great Awakening

(B) demonstrated the attraction of communism to many
Americans

(C) failed because they practiced political and social
equality within their own communities

(D) were utopian communities designed to ameliorate
the effects of a growing commercial society