...ops were gathering in that direction. This was disputed territory between Texas and the neighboring province of Tamaulipas. When he encamped at Point Isabel, March 25, on the coast, 28 miles from Matamoras , Taylor was warned by the Mexicans that he was upon foreign soil. He left his stores at Point Isabel, under a guard of 450 men, and with the remainder of his army advanced to the bank of the Rio Gr...