Which two crops dramatically impacted the institution of slavery in America

1. Visiting old mine shafts  can be  an interesting experience.

                         S                      LV                 PN

2. Remodeling this house has become very expensive.  

        S                                     V                     PA

3. The old village sprawled across the green valley.

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4. Academic success requires diligence.  

           S                      V                 DO

5. We named the baby Margaret.

S      V       DO             IO

6. The company sent me their brochure.

             S               V     IO        DO