I think it might be d that’s what my teacher said
Answer:
1. It had negative effects on Native Americans. Their land and livelihood were taken from them by the new Americans. 2. The westward expansion more than doubled the size of America. 3. To many, the expansion of slavery into the west caused controversy between the north and south
Explanation:
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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>
It influenced other country's to do the same
Family relationships formed basis for government