To promote human rights, to increase the standard of living for all people, and to force nations to comply to international standards
It was primarily that "Miners began searching for gold in Indian lands," that caused renewed fighting between Americans and western Indians during the 1860s, although basic issues of expanded white settlement played a role as well.
the contact of business people with foreign cultures I am confirming this after getting it right.
Answer:
it made it more difficult for Californios to hold on to their land
Explanation: