Question

what issue caused the american civil war?
tariffs.
national bank.
immigration.
slavery.
question 19
what term means...\the period after the civil war in which the southern states were readmitted to the union\?
emancipation.
indoctrination.
pacification.
reconstruction.

Explanation:

The American Civil War was mainly caused by the issue of slavery. The Southern states relied on slave - based agriculture, while the North was moving towards an industrial economy with more anti - slavery sentiment. Reconstruction was the period after the Civil War when the Southern states were reintegrated into the Union. It involved efforts to rebuild the South, grant rights to newly - freed slaves, and re - establish political and economic systems.

Answer:

For the first question: Slavery.
For the second question: Reconstruction.