How did America assert itself as a world power during the imperialist age?

How did the united states surprise other delegates at the washington naval conference in 1921

What specific events led richard nixon to resign the presidency

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