The answer is D. The Gupta empire
Answer:
The Indian Ocean slave trade, sometimes known as the East African slave trade or Arab slave trade, was the multi-directional slave trade and has changed over time. Africans were sent as slaves to the Middle East, to Indian Ocean islands (including Madagascar), to the Indian subcontinent, and later to the Americas.
Answer:
He had managed to build up a huge army and started a program of military expansion along all the boundaries of his empire. In keeping with this policy of expansion, he pushed north-west into Punjaband what is now Afghanistan and in the south towards Bijapur and Golconda.
Explanation: