To which policy does the text refer

under this policy, the united states claimed “international police power” in the western hemisphere

The Roosevelt Corollary Policy is the correct answer.

The Roosevelt Corollary, articulated by President Theodore Roosevelt, was an expansion to the Monroe Doctrine. This policy stated that the nations of the Western Hemisphere were not open to European colonization. And, also, in order to keep life and property in those areas safe, the United States would interfere and have the responsibility to maintain order.  

general allotment act (dawes act) february 8, 1887

amendment to the dawes act, february 28, 1891

commission to the five civilized tribes (dawes commission), march 3, 1893

i'm pretty sure the answer would be

c. england

hope this best of luck sorry if i'm wrong

~animaljamissofab ♥