The correct answer is: b) Lahore.
Maharaja Ranjit Singh established a powerful Sikh Empire that controlled most of
Punjab in the early 19th century. His capital was at Lahore, which is now the capital of Pakistan. Lahore was a strategically important city, located on the banks of the Ravi River. It was also a major center of trade and culture.Amritsar is another important city in Punjab. It is home to the Golden Temple, the holiest Gurdwara (Sikh temple) in the world. Anandpur Sahib is a town in Punjab that was founded by Guru Gobind Singh, the tenth Sikh Guru. Patiala is a city in Punjab that was founded by Maharaja Amar Singh of Patiala.
Lahore was a natural choice for Ranjit Singh’s capital. It was a large and prosperous city with a strong military tradition. It was also located in the heart of the Sikh heartland. Lahore remained the capital of the Sikh Empire until Ranjit Singh’s death in 1839.