Statistics for occurrence #1 of “Mexico” in chapter 34 of Philip Henry Sheridan, Personal Memoirs of P. H. Sheridan, General, United States Army .:
...her such results could have been achieved without the presence of an American army on the Rio Grande, which, be it remembered, was sent there because, in General Grant's words, the French invasion of Mexico was so closely related to the rebellion as to be essentially a part of it.
...