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Explanation: ?????
<span>the Louisiana purchase, the Mexican American war won California and other territory in the south west</span>
I believe the answer would be cotton gin because the invention of the cotton gin was able to become more efficient in harvesting cotton.
indigenous
* indigenous basically just means people who originate in a place- natives.
Harappan Civilization's writing has never been decoded. Harappan Civilization is a part of the Indus Valley Civilization. The languages of the Harappan Civilization belong to the Bronze Age and they are still today a mystery. This language is totally unattested to any source that is readable. This is one mystery that is yet to be solved.
