Explanations:Delhi is a significant city in India and serves as the national capital territory. It is a union territory and the capital of the country, housing the seat of the government and the Parliament. The city has a rich and complex history, having been ruled by various dynasties and empires over the centuries.
One of the important historical periods in Delhi's history is the establishment of the Slave Dynasty. Muhammad Ghori, a prominent figure in the Delhi Sultanate, was the first emperor of the Slave Dynasty. He laid the foundation for the Delhi Sultanate, which was a significant period in the history of India. The Slave Dynasty was established in the early 13th century and marked the beginning of Muslim rule in India.
Another historical figure mentioned in the statements is Dharmpala, who was a ruler of the Pala Empire. Dharmpala was known for his efforts to expand the Pala Empire and was able to hold Kanauj, a significant city in northern India, for a short period of time. Kanauj was a strategic city and was often contested by various empires and dynasties due to its geographical and political importance.
Each of the statements provided in the question is true. Delhi is indeed the national capital territory of India, Muhammad Ghori was the first emperor of the Slave Dynasty, and Dharmpala did hold Kanauj for a short period of time. Therefore, the correct answer is that all three statements are true, which corresponds to option C.