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| Spanish missions in California |
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The California mission clash of cultures occurred at the Spanish Missions in California during the Spanish Las Californias-New Spain and Mexican Alta California eras of control, with lasting consequences after American statehood. The Missions were religious outposts established by Spanish Catholic Franciscans from 1769 to 1823 for the purpose of protecting Spain's territory by settlements and converting the Californian Native Americans to the Christian religion.
The Spanish occupation of California brought some negative consequences to the Native American cultures and populations, both those the missionaries were in contact with and others that were traditional trading partners. These aspects have received more research in recent decades.