Final answer:
The rise of the Delhi Sultanate in northern India is an example of continuity and change in the Indian Ocean Basin during the time period 1200-1450.
Step-by-step explanation:
One historical example of continuity and change over time in the Indian Ocean Basin during the time period 1200-1450 is the rise of the Delhi Sultanate in northern India.
The Delhi Sultanate was an Islamic state that lasted for over three hundred years and became the center of Islamic India. The arrival of Turkic peoples and the establishment of the Sultanate brought cultural change to northeastern India, as it became increasingly Muslim and influenced by Islamic culture.
However, the cultural diversity that was already a hallmark of Indian social order was not completely altered, as the south remained Hindu in its cultural beliefs and ideas.
The Indian Ocean continued to serve as a hub for commerce, facilitating the exchange of goods, ideas, and cultures. However, changes occurred with the rise of powerful maritime empires such as the Ming Dynasty in China and the Sultanate of Malacca.
These states actively sought to control and regulate trade, introducing new dynamics to the existing network. While the continuity lay in the ongoing vitality of maritime trade, change manifested in the shifting power structures and regulatory mechanisms that influenced the flow of goods and ideas across the Indian Ocean.