Secretary of State John hay was an advocate of "<span>A. an open door with China" (also known as an "open door policy" since by this time China had become a powerful economic force. </span>
"D. an <span>openness to new ideas and experiences" is not an element of nationalism, since this would imply that people would be open to welcoming new cultures into their country, which is not the case.</span>
Answer:
c
Explanation:
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