Question

20 multiple choice 1 point
...the policy of the government of the united states is to seek a solution which may bring about permanent safety and peace to china, preserve chinese territorial and administrative entity, protect all rights guaranteed to friendly powers by treaty and international law, and safeguard for the world the principle of equal and impartial trade with all parts of the chinese empire....

• secretary of state john hay, circular letter, july 3, 1900

this excerpt from john hays circular letter became part of the
platt amendment.
open door policy.
roosevelt corollary to the monroe doctrine.
policy of dollar diplomacy.

Explanation:

The Open Door Policy aimed to ensure equal trading rights among nations in China and preserve China's territorial integrity. John Hay's Circular Letter was a key part of this policy. The Platt Amendment related to Cuba. The Roosevelt Corollary was about the Monroe Doctrine and U.S. intervention in Latin America. Dollar Diplomacy was about using economic power (not the content in the excerpt).

Answer:

B. Open Door Policy