You may have a copy of this letter made and left with Gen. Carter and such other generals in command as you may think wise and necessary to guide them in their course, but to be regarded as confidential. I am more than happy to here record the fact that all apprehensions as to the effect of the presence of so large a military force in Texas proved groundless; no disturbances occurred; the conduct of the troops was exemplary and the public reception and treatment of them was all that could have been desired, and this notwithstanding the presence of a large number of Mexican refugees in the border territory. From time to time communications were received from Ambassador Wilson, who had returned to Mexico, confirming the view that the massing of American troops in the neighborhood had had good effect. By dispatch of April 3, 1911, the ambassador said: The continuing gravity of the situation here and the chaos that would ensue should the constitutional authorities be eventually overthrown, thus greatly increasing the danger to which American lives and property are already subject, confirm the wisdom of the President in taking those military precautions which, making every allowance for the dignity and the sovereignty of a friendly state, are due to our nationals abroad. Charged as I am with the responsibility of safeguarding these lives and property, I am bound to say to the department that our military dispositions on the frontier have produced an effective impression on the Mexican mind and may, at any moment, prove to be the only guaranties for the safety of our nationals and their property. If it should eventuate that conditions here require more active measures by the President and Congress, sporadic attacks might be made upon the lives and property of our nationals, but the ultimate result would be order and adequate protection. The insurrection continued and resulted In engagements between the regular Mexican troops and the insurgents, and this along the border, so that in several instances bullets from the contending forces struck American citizens engaged in their lawful occupations on American soil.