Generate a question that has the following answer: Jamukha agreed to help him get his wife back and attack the Merkit tribe for the following movie plot: The movie is an epic story of a young Genghis Khan and how events in his early life lead him to become a legendary conqueror.The 9-year-old Temujin is taken on a trip by his father to select a girl as his future wife. He meets Borte, who says she would like to be chosen, which he does. He promises to return after five years to marry her. Temujin's father is poisoned on the trip, and dies. As a boy Temujin passes through starvation, humiliations and even slavery, but later with the help of Borte he overcomes all of his childhood hardships to become one of the greatest conquerors the world has ever known.
The answer to this question is:
Whose help Temujin seek to get his wife back?