What was the point to establishing military districts in the south during reconstruction?
to make sure congressional policies were being carried out
to enforce rules limiting the rights of certain freed blacks
to stop confederate guerrilla fighters from waging war
to keep southerners from taking over the state governments

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.