It was a marker that divided native hunting.
William clark and meriwether lewis (lewis and clark) conducted a exploration westward from 1804-06. with the growing belief of manifest destiny the move west was a national obsession. their expedition established that the continent could be traversed ( meaning that the discovery motivated others to explore unknown territories, between the mississippi river and pacific ocean.
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Buddhism, meditation techniques are classified as either samatha (calming the mind) and vipassana (gaining insight).
I have no idea but gl I hope u find an anwser