Answer:
From 2010 to 2018, the state of California added about 2.3 million people according to new estimates released by the US Census. Its population, already the largest in the US, to close to 39.6 million. And California’s population increase of 6.2% has been greater than the 6.0% increase across the country.
Explanation:
European powers divided China into spheres of influence, while the United States promoted an Open Door Policy.
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(The first one and the third one seem to make the most sense.)
=)
Get more places that belived and had the same economic system as them and russia was doing the same to north korea as we were doing to south korea