What did the passing of the thirteenth amendment accomplish ?

abolished slavery and involuntary servitude, except as punishment for a crime

so basically it was illegal and unethical to have slaves or make someone work against their will. unless its criminals doing service hours or something.

It made black men and women legally equal, but not culturally

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.