Every apology that has been made in this country for slavery; every argument used in its favor; every instance of apostasy from the ranks of freedom by influential statesmen; every attempt to drag the Bible to the support of the system; and especially every square mile of new territory opened for the introduction of slaves, has contributed to the failure of the efforts to abolish the foreign traffic. The system of slavery, as existing and supported in this
JOSE MARIA de BOCANEGRA.
[Translation of part of the law of April 6th, 1830, prohibiting the migration of citizens of the United States to Texas.]
Art. 9. On the northern frontier, the entrance of foreigners shall be prohibited, under all pretexts whatever, unless they be furnished with passports, signed by the agents of the republic, at the places whence they proceed.
Art. 10. There shall be no variation with regard to the colonies already established, nor with regard to the slaves that may be in them; but the general government, or the particular state government, shall take care, under the strictest responsibility, that the colonization laws be obeyed, and that NO MORE SLAVES BE INTRODUCED.