Regions in America ranged from rural to urban based on trends that started in the 19th century and carried over into the 20th century. These areas were influenced by population, transportation, and resources. Choose ALL true statements about these regions. A) The Southeast remained a mostly rural and agricultural region. Eliminate B) America's Northeast region was mostly urban and industrialized. C) The Northwest was the most populated and industrialized region. D) The discovery of gold in the Northeast led to a population boom. E) The Midwest's cattle industry grew as cattle could move by train.