How did the removal of homes and businesses off the floodplain turn into a benefit for the city of Grand Forks?

1. The floodplain was turned into a large recreational area.

2. The area became prime grazing land for livestock.

3. The land was sold to the state of North Dakota and the money was used to rebuild the city.

4. The owners of the structures rebuilt attractive, fortified buildings on the same land.

3. The land was sold to the state of North Dakota and the money was used to rebuild the city.