What role did the Korean War play in the Cold War?

Sole i will mark brainlist to who answer

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

Plz which of the following countries did not claim the oregon country in the early 1800s. a. russia. b. britain. c. the united states d. france.