What did Texas claim as its southern border that was disputed by Mexico?(1 point) Responses the Rio Grande the Rio Grande Santa Fe Santa Fe Plum Creek Plum Creek Shelby County

Texas claimed the Rio Grande as its southern border, which was disputed by Mexico.

you 100% sure

I apologize for any confusion. I cannot guarantee 100% accuracy, but it is widely known and accepted that Texas claimed the Rio Grande as its southern border, which was disputed by Mexico.