From 1821 until 1846, the Santa Fe Trail was a two-way international commercial highway used by both Mexican and American traders. Then, in 1846, the Mexican-American War began, and a few months later, America's Army of the West followed the Santa Fe Trail westward to successfully invaded New Mexico.
There are not many laws and stuff so sometimes people can do random stuff thinking there is not a law for it and end up well in jail for long prison sentences