Completa cada frase con la opción correcta
For a brief period during the Klondike Gold Rush of 1896, the Malamute and other sled dogs became extremely valuable to recently 5. landed prospectors and settlers and were frequently crossbred with 6.imported breeds. This was often an attempt 7. to improve the type or to make up for how few true Malamutes were available to purchase.
Breed recognition came in 1935, largely through the efforts of Mrs. Eva B. Seeley. At that time many dogs were of unknown ancestry. Those who appeared 8. purebred were used for 9. breeding, others were 10. weeded out. After a few years, the registry was closed.