Explanation: Ala-ud-din Khilji, who ruled from 1296 to 1316, was a significant figure in the Delhi Sultanate, known for his military prowess and territorial expansion. His reign marked a period of aggressive conquests aimed at securing resources and consolidating power. Among his notable conquests were the regions of Gujarat and Rajasthan, which were crucial for their wealth and strategic importance.
Gujarat, located on the western coast of India, was a prosperous region with access to important trade routes and a rich agricultural base. The conquest of Gujarat was a significant achievement for Ala-ud-din Khilji, as it provided the Sultanate with substantial wealth and resources. The capture of the wealthy city of Delhi and the defeat of the Vaghela dynasty in Gujarat were major milestones in his reign.
Rajasthan, known for its rich and powerful kingdoms, was another key region that Ala-ud-din Khilji targeted. The conquest of Rajasthan was essential for securing the western borders of the Sultanate and gaining control over the fertile lands and resources of the region. The capture of Chittor and Ranthambore were particularly significant, as these were powerful and wealthy kingdoms that posed a threat to the Sultanate's stability.
It is important to note that while Ala-ud-din Khilji's conquests were extensive, they were primarily focused on the more fertile and economically significant regions of Gujarat and Rajasthan. Himachal Pradesh, being a mountainous region, was not a primary target for the Sultanate's expansion. The focus was on regions that could provide the necessary resources and wealth to support the growing power of the Delhi Sultanate.
In summary, the conquests of Gujarat and Rajasthan by Ala-ud-din Khilji were crucial for the expansion and consolidation of the Delhi Sultanate. These conquests not only secured the Sultanate's borders but also provided the necessary resources and wealth to support its growing power. Therefore, the correct answer is that only Gujarat and Rajasthan were conquered by Ala-ud-din Khilji, making option D the correct choice.