What did the lewis and clark expedition do that no american had ever done before

Where did harriet to get away from dr.norcom

Hey!me its for an important test! ! which issue during the progressive era would most likely have united mary harris "mother” jones and lewis hine? a) ending child labor b) regulating monopolies c) using photography to expose poor working conditions d) exposing the lack of jobs available for untrained laborers

The supreme court settle conflicts between the various levels of government true or false ?