Harold Innis published the work (A) Mass Communication Theory (B) Introduction to Mass Media (C) Power Elite (D) The Bias of Communication Correct Ans: (D) Explanation: Harold Innis, a foundational thinker in media theory, published The Bias of Communication in 1951. This work stands out as a major contribution to mass communication studies, especially in understanding how different types of media shape civilizations over time. Innis argued that every medium carries a specific "bias"—either toward time or toward space. Time-biased media, such as stone or parchment, last long but don’t travel far. On the other hand, space-biased media like paper or radio spread information quickly across large areas but often don't endure. This core idea helped scholars understand how the nature of media affects cultural stability, expansion, and even power structures. In mass communication, Innis’ theory paved the way for later thinkers like Marshall McLuhan, who expanded on how media influence perception and society. Innis believed that empires and societies rose or fell depending on how they balanced these media biases. For instance, the Roman Empire thrived using space-biased media like roads and messages that traveled quickly, but its downfall was partly due to a lack of lasting cultural preservation. Let’s rule out the incorrect options:(A) Mass Communication Theory is a general title and not a book written by Innis.(B) Introduction to Mass Media sounds educational but doesn’t relate to Innis’ deep theoretical work.(C) Power Elite was written by C. Wright Mills, and it explores the ruling class in American society, not media theory. Therefore, the correct answer is clearly (D) The Bias of Communication. Innis didn’t just write a book—he built a foundation. His work still resonates today, as researchers examine how digital and social media bring new biases to light. In conclusion, Harold Innis’ groundbreaking book reshaped how scholars view media’s influence on time, space, and social structures, making it a cornerstone in communication studies.