Differences in regional economic development during the 19th century produced which of these conditions in the United States at the time of the Civil War? A The North was the nation's main industrial area. B The South was the main destination for immigrants. C The North was the nation's main cotton-producing area. D The South was the nation's main transportation center for agricultural goods.
Differences in regional economic development during the 19th century produced the condition that "A The North was the nation's main industrial area" which strained the South.
