Final answer:
Ralph Waldo Emerson was the author from early American Literature known for writings with Intellectuality, Unified Sensibility, Conceit, and Elements of wit. Option 1 is correct.
Step-by-step explanation:
The author who belonged to the era in early American Literature characterized by Intellectuality, Unified Sensibility, Conceit, and Elements of wit was Ralph Waldo Emerson. Emerson was a key figure in the transcendentalist movement, which espoused intellectual freedom, a connection with nature, and individualism. His works were rooted in the belief that people should look inward to find truth rather than adhere to external doctrinal codes or societal pressures.
Emerson's influence on American literature of his time is undeniable. He encouraged the embrace of the North American landscape in a way that reflected a growing national identity. Writers like Nathaniel Hawthorne, Edgar Allan Poe, and Washington Irving were also significant during this period, yet Emerson's essays and lectures such as "Nature" and "The American Scholar" contained the philosophical and intellectual qualities that were characteristic of the era's literary culture.