How did spanish protect settlers and claim in the borderrlands of new Spain?

The Spanish protected settlers and claimed territories in the borderlands of New Spain through a combination of military presence, missions, and alliances with Indigenous groups. They established presidiOS (forts) to provide defense against rival European powers and indigenous resistance. Additionally, missionaries sought to convert Native peoples to Christianity, which facilitated Spanish control over the region. This strategy helped to solidify Spanish claims and expand their influence in North America.