Columbus claimed to have found a route to the West Indies (what he was looking for). He belived his claim until his death. However, it was later discovered that he had in fact found the Americas.
4) The role of Maharaja Ranbir was to eliminate the inability to read or write. As this seems good by itself there is no way just to eliminate illiteracy.
5) He established something which helped financially to girls when they were married and also tried to prevent child marriages
6) Dogra's were fond of culture and while being Hindu they took the time to promote and talk about the Hindu culture. Dogra had little culture to talk about as there were no literature on it. Dogra's had their own script and language which they contained account books.
7) I'm very unsure on how to answer this one but The Dogra dynasty which was the Dogra Hindu dynasty that formed the royal house of Jammu and Kashmir, and the founder Gulab Singh was an influential noble in the court.
--Hoped this helped in anyway possible
