IV.—NEGOTIATIONS AND WAR.
In September, 1845, the President of the United States directed their consul at Mexico to ascertain from the Mexican Government, whether it would receive an Envoy from the United States, intrusted with full power to adjust all the questions in dispute between the two Governments.
The answer of Mr. De la Pena y Pena, Minister of the Foreign Relations of Mexico, was, "That although the Mexican nation was deeply injured by the United States, through the acts committed by them in the department of Texas, which belongs to his nation, his Government was disposed to receive the Commissioner of the United States who might come to the capital, with full powers from his Government to settle the present dispute in a peaceful, reasonable and honorable manner;" thus giving a new proof that, even in the midst of its injuries and of its firm decision to exact adequate reparation for them, the Government of Mexico does not reply with contumely to the measures of reason and peace to which it was invited by its adversary.
The Mexican Minister at the same time intimated, that the previous recall of the whole Naval force of the United States, then lying in sight of the port of Vera Cruz, was indispensable; and this was accordingly done by our Government.
But it is essential to observe that, whilst Mr. Black had, according to his instructions, inquired, whether the Mexican Government would receive an Envoy from the United States, with full power to adjust all the questions in dispute between the two Governments, the Mexican Minister had answered, that his Government was disposed to receive the Commissioner of the United States, who might come with full powers to settle the present dispute in a peaceful, reasonable and honorable manner.
Mr. Slidell was, in November following, appointed Envoy Extraordinary and Minister Plenipotentiary of the United States of America near the Government of the Mexican Republic; and he arrived in Mexico on the sixth of December.
Mr. Herrera, the President of Mexico, was undoubtedly disposed to settle the disputes between the two countries. But taking advantage of the irritation of the mass of the people, his political opponents were attempting to overset him for having made, as they said, unworthy concessions. The arrival of Mr. Slidell disturbed him extremely; and Mr. Pena y Pena declared to Mr. Black, that his appearance in the capital at this time might prove destructive to the Government, and thus defeat the whole affair. Under these circumstances General Herrera complained, without any foundation, that Mr. Slidell had come sooner than had been understood; he resorted to several frivolous objections against the tenor of his powers; and he intimated that the difficulties respecting Texas must be adjusted before any other subject of discussion should be taken into consideration.
But the main question was, whether Mexico should receive Mr. Slidell in the character of Envoy Extraordinary and Minister Plenipotentiary, to reside in the republic. It was insisted by the Mexican Government, that it had only agreed to receive a commissioner, to treat on the questions which had arisen from the events in Texas; and that until this was done, the suspended diplomatic intercourse could not be restored, and a residing minister plenipotentiary be admitted.
Why our Government should have insisted, that the intended negotiation should be carried on by a residing Envoy Extraordinary and Minister Plenipotentiary, is altogether unintelligible. The questions at issue might have been discussed and settled as easily, fully and satisfactorily, by commissioners appointed for that special purpose, as by residing ministers or envoys. It is well known that whenever diplomatic relations have been superseded by war, treaties of peace are always negotiated by commissioners appointed for that special purpose, who are personally amply protected by the law of nations, but who are never received as resident ministers, till after the peace has restored the ordinary diplomatic intercourse. Thus the treaty of peace of 1783, between France and England, was negotiated and concluded at Paris by British commissioners, whom it would have been deemed absurd to admit as resident envoys or ministers, before peace had been made.