Because of regional differences especially those concerning the issue of slaver.
Austin's Colony was the first and largest Anglo-American settlement in Mexican Texas and was established by Stephen F. Austin in 1821. It was authorized by the Mexican government and allowed for the introduction of 300 families into Texas.
Hiroshima caused radiation in which case caused deformity in children and adults who were exposed
Edison invented the light bulb, which has an obvious significance for American culture. They are installed in practically every facility. Bell invented the first practical telephone, which is used by almost every American on a daily basis.
