Answer:
As of 2019, the estimated average GDP per capita (PPP) of all of the countries of the world is Int$18,381. For rankings regarding wealth, see list of countries by wealth per adult.
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Central Intelligence Agency (1993–2017)
Rank Country/Territory Int$
1 Luxembourg 112,875
2 Singapore 95,603
3 Qatar 91,897
4 Ireland 89,383
Explanation:
pls mark as brainlist
827,000 Sq Miles know as the Louisiana Purchase in 1803.
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D.it made people switch from hunting to herding. People didn't have to move around from place to place anymore. They could finally settle down and have a life.
They moved into Alaska during an Ice Age when there was ice from Eastern Asia and they walked to Alaska