(Answered)-Which of the following constitutes evidence for the fact that - (2025 Updated Original AI-Free Solution

Question

1. Which of the following constitutes evidence for the fact that Mexico?s northern provinces had porous borders with its? northern neighbor.

   a.	the mission system
   b.	the settlement of Oregon
   c.	the number of Indians living in California
   d.	New England trading ships in San Francisco harbor
   e.	the Mexican independence movement