Sacagawea was a slave until she married in 1803 after she fell in love with a Minataree man. Her husband, Toussaint Charbonneau, treated her very badly and Sacagawea felt like she was still a slave. In 1804, when Sacagawea had become fourteen, she had become pregnant. Meanwhile, her husband heard of an expedition led by two men, those men were Merriweather Lewis and William Clark. Sacagawea’s husband wished to join them as a translator, but they were hesitant, so he told them he had two wives who were both Shoshone and they could help the expedition on their journey by helping them get the horses they needed to reach the Pacific and to get the food they needed to survive. Lewis and Clark had let him come if he brought one of his wives, Sacagawea. Contributions: Sacagawea’s knowledge is very useful and important. She found fruits that they didn't know at the time, helped prevent a deadly disease. During the winter, the ice and snow began to freeze the shores and rivers. The biggest of all the boats that the expedition took had started to sink and tumble, and sent all of the journals, papers, medicine, and things that he was going to trade with the Native Americans down the river’s