Background
After the attacks made on the United States on September 11th laws and regulations for crossing the U.S. border have been through multiple revisions and become harsher. In specific to the U.S.-Mexico border, the law states, “Mexican citizens must present a passport with a nonimmigrant visa or laser visa border crossing card when visiting by land” (“Crossing the Border,” n.d.). The United States is more lenient with Canadian citizens entering the country, although both countries are direct land borders. Meaning