It was busy with its own American Civil War (1861-1865).
oh yeah
Mexico City.
While the US was heavily distracted from events south of the border, Mexico was planned by French leaders to become a puppet state of France. French soldiers and a puppet leader, tried to establish a "colony" of sorts in Mexico. When the US Civil War ended, troops were sent to the Mexican border and the US threatened military action unless France withdrew itself from Mexico. The puppet leader of Mexico was hung by the Mexican people.
us,canada,Mexico,Australia,uk,France
US Forces occupied Mexico City.
The Ussr, Britain, The US, and France because they were the strongest world leaders after the war had ended
mexico won france
after 1865
As much as Brazil or Mexico could intervene to change the US Government if its policies don't fit their schemes (i.e: a resounding NO).
They aided the USA during the War of Independence.
Hawaii is the only independent country acquired by the US. After wars, the US occupied the Phillipines, Cuba, Japan ,Iraq, and parts of Afghanistan, Italy, Germany and Austria.
Faulty intelligence reports stating that Germany was supplying Mexico with weapons to attack the US (see Invasion of Veracruz).Pancho Villa's attack on Columbus, New Mexico (see Punitive Expedition).