Which statement best summarizes the central idea in this excerpt?
A
The Union fought in the Civil War because they wanted to strengthen, perpetuate, and extend slavery.B
Before the Civil War, most enslaved people were living in the southern part of the Union.C
The Civil War occurred because people in the South wanted to protect and spread the practice of slavery.D
Before the Civil War, the government did not try to stop slavery, but only tried to keep it from growing.