The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population.
Answer:
Then people would literally be able to do whatever the want. The world will just be based on opinions and not rules/laws.
Explanation:
Jefferson advocated strict adherence to the U.S. Constitution and there were no provisions within the Constitution to permit the U.S.' purchase of new territory. However, because of wide popular support for the purchase of the new territory as well as the value the territory would bring to the newly formed United States Jefferson decided to forgo the legalistic view of the Constitution and supported the purchase of the territory.
Having a uniform legal system is important because if we didn't have one, things that were illegal in one part of the country would be legal in another part. Criminals would all travel to the places were crime was easier to commit.
Hope this helps! Please let me know if I'm wrong :)