What dangers and hardships did Lewis and Clark face when exploring the Midwest?

Who was the first African American presidential cabinet member? What does lincoln mean when he says as a final resting place for those who here gave their lives that that nation might live? Who were Wilma Rudolph's parents? What event proved to be inspiring to Schurz and his fellow students? When Jack Johnson achieved success as a professional boxer most whites? What is the value of a gold 1969 Kennedy half dollar? What was Robert Lee's mood like after the surrender? How many 1936 buffalo nickels are there? Where abouts in America were slaves taken to? What were two main laws to keep African Americans from voting? Is there an issue in Egypt? Who was the organizer of colonial women? How did great depression affect Jim braddock? Was New Hampshire in the Civil War? What were Oklahoma and parts of kansas and nebraska called in 1831? What Native tribe did Magua belong to? Were brought from Europe during the Columbian Exchange and made hunting for buffalo much easier for Native Americans? How did McKinley justify the annexation of the Philippines by the US? Oceania is another name foor which of these? Why are roads important?