Mexico or the Rio Grande river, which ever you prefer
mexico
Rio Grande
It is the southern border for Texas; conversely, it is the northern border for Mexico.
The Rio Grande
Rio Grande River
Rio Grande
Mexico refused to recognize the rio grade as the southern and western boundary of texas
The war solidified the southern boundary of Texas and ended the hopes of Mexico for getting it back.
It was not so much the fact of the US annexing Texas and adding it to the country. The issue which was contentious was the location of the southern boundary of Texas. The US and Texas before it contended that the boundary was the Rio Grande. Mexico contended that the ancient and traditional southern border of the former Mexican province of Tejas was the Nueces River. So the conflict was over ownership of the territory between the Nueces and the Rio Grande.
Yes. The boundary between the continents is the southern boundary of Panama, which meets the northern boundary of Colombia.
Cuba
The African Boundary The southern boundary of the tropics is the Tropic of Capricorn.
The southern boundary of the empire at the time of the republic was the coastal strip of North Africa, with the exception of Egypt.The southern boundary of the empire at the time of the republic was the coastal strip of North Africa, with the exception of Egypt.The southern boundary of the empire at the time of the republic was the coastal strip of North Africa, with the exception of Egypt.The southern boundary of the empire at the time of the republic was the coastal strip of North Africa, with the exception of Egypt.The southern boundary of the empire at the time of the republic was the coastal strip of North Africa, with the exception of Egypt.The southern boundary of the empire at the time of the republic was the coastal strip of North Africa, with the exception of Egypt.The southern boundary of the empire at the time of the republic was the coastal strip of North Africa, with the exception of Egypt.The southern boundary of the empire at the time of the republic was the coastal strip of North Africa, with the exception of Egypt.The southern boundary of the empire at the time of the republic was the coastal strip of North Africa, with the exception of Egypt.
The United States' southern boundary is mainly the Gulf of Mexico.