It was an archaeological dig different from the rest
The new line would support communities and military outposts on the frontier. It would give settlers safe and dependable passage west. And most importantly, it would tie new states California and Oregon to the rest of the country. it would also help deliver mail across the nation much faster
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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>
