Throw light on the Klondike Gold Rush of the 1890's in the Yukon Territory. How did it change Buck’s life from being a civilised dog to a complete product of wilderness?

Men flocked to the Klondike to make their fortunes. travelling in these harsh cold conditions put a sudden demand for sled dogs. Buck was perfect for this job so he was dog-knapped from California. Buck would have fetched a good price in the Klondike.