The North had more buildings because the South depended on plantations and farms for slavery.
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Answer:</h3>
<em>Initiated by the USA in 1899 and 1900, The Open Door policy was a declaration of principles.</em>
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Explanation:</h3>
<em>May I please have brainliest</em>
<em>Hope this helps</em>
<em>(∵°ω°∴)</em>
