Which is an example of a sphere of influence?

a. a nation is politically independent, but an imperial power controls its trade.

b. a nation is under complete political and cultural control of an imperial power.

c. a nation is protected by an imperial power in return for trade privileges.

d. a nation forms an alliance with an imperial power, and both reap benefits.

C. A nation is protected by an imperial power in return for trade privileges.

An example of sphere of influence can be found in China, in which the US, Britain, Russia, France, etc. etc. gained their spheres of influence through helping to put down the boxer rebellion, and gaining lands that they could "influence" (hence the name). An example can be found in Hong Kong, in which Britain has their "influence", and is reflected through the government and how the country runs.

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A. A nation is politically independent, but an imperial power controls its trade.

Explanation:

EDGE2021

did you ever get an answer? i'm on the same question : (

the speech this question is referring to is president kennedy's special message to the congress on urgent national needs, may 25, 1961

kennedy responds in a very direct and concrete way to those thinking that communism is a positive system:

"yet their aggression is more often concealed than open. they have fired no missiles; and their troops are seldom seen. they send arms, agitators, aid, technicians and propaganda to every troubled area. but where fighting is required, it is usually done by others--by guerrillas striking at night, by assassins striking alone--assassins who have taken the lives of four thousand civil officers in the last twelve months in vietnam alone--by subversives and saboteurs and insurrectionists, who in some cases control whole areas inside of independent nations." (kennedy)

president kennedy presents communism as cowardly, as a hidden and treacherous weapon that strikes from the shadows like thieves, he represents the system as not even being capable of showing and open and overt attack or confrontation. to finish up the response, he expresses that the system attacks even a country's idependence and freedom.