Lewis and Clark, their men, and Sacawea faced many challenges along their journey, such as difficult environments, a challenging expedition, and troubles in the water. Of course, the environment was tough for Merriwether Lewis and William Clark and the rest of their expedition. Clark wrote in his journal about the torturous conditions, the amount of mosquitos and ticks along the river, and the hardship of not knowing the land or how to navigate it. It was said that in the winter, the frostbite and cold was chilling to the bone because of the scarcity of new, warm clothing, along with the scarcity of food. This threat of death was even greater when the travelers came into the Rocky Mountains, with no way out as far as anyone could see. They
