India’s trade with the Roman Empire came to an end with the invasion of Rome by the-

Correct answer: Huns

Explanation: The correct answer is C. Huns. India had a flourishing trade relationship with the Roman Empire during the early centuries of the Common Era, especially during the Sangam Age and the reigns of Roman emperors like Augustus and Nero. Roman gold coins have been found in large quantities in South India, indicating active trade. However, this trade began to decline significantly in the 5th century A.D., primarily due to the invasions of the Roman Empire by the Huns (especially the Visigoths and Ostrogoths from Central Asia). These invasions destabilized the Roman economy and its political structure, leading to the fall of the Western Roman Empire in 476 A.D.