Explanations:The Slave dynasty, also known as the Mamluk dynasty, was the first dynasty of the Delhi Sultanate, which ruled from 1206 to 1290 CE. The dynasty was founded by Qutb-ud-din Aibak, a former slave who rose to power and established the Delhi Sultanate. The term "Slave dynasty" refers to the fact that the rulers were originally slaves who were freed and then rose to power through their military prowess and administrative skills.
The Slave dynasty was established after the decline of the Ghurid Empire, which had been expanding into India. Qutb-ud-din Aibak, who was a slave of Muhammad Ghori, took advantage of the power vacuum and established his own rule in Delhi. He was succeeded by his son-in-law, Iltutmish, who further consolidated the dynasty's power and expanded its territory.
During the reign of the Slave dynasty, several important architectural and cultural developments took place. The construction of the Qutb Minar, one of the most iconic structures in Delhi, began during the reign of Qutb-ud-din Aibak. The dynasty also patronized the arts and literature, and many Persian poets and scholars were invited to the court.
The Slave dynasty was followed by the Khalji dynasty, which ruled from 1290 to 1320. The Khalji dynasty was founded by Jalal-ud-din Khalji, who was a relative of the last ruler of the Slave dynasty, Nasir-ud-din Mahmud. The Khalji dynasty continued the expansionist policies of the Slave dynasty and extended the territory of the Delhi Sultanate further into southern India.
It is important to note that the Slave dynasty ruled during a specific period in the 13th century, and it is distinct from other dynasties such as the Khalji, Lodi, and Gupta dynasties. The Gupta dynasty, for example, ruled much earlier, from the 4th to the 6th century CE, and was known for its cultural and scientific achievements. The Lodi dynasty, on the other hand, ruled much later, from 1451 to 1526, and was the last dynasty of the Delhi Sultanate before the establishment of the Mughal Empire.
Understanding the historical timeline and the specific periods during which different dynasties ruled is crucial for correctly identifying the ruling dynasty during a given time period. In this case, the Slave dynasty ruled Delhi from 1206 to 1290, making it the correct answer for the given question.