 When Lewis and Clark left St. Louis, Missouri on August 31st, 1803 to find a passage to the West, they left with 45 men, 27 of which were unmarried bachelors. Needless to say, there was no womanly presence within the Corps of Discovery at all. But something changed. Here's Hillsdale College's Dr. Deidre Berzer with more on that. They add in Sacagawea, who is...