Margaret has lived in a poor neighborhood for over 50 years. She and her family have lived in a house next to an abandoned tract of land. She consistently mowed this land, cleared away trash from the land, and reporting any crimes/trespassers on the land. The owner of this abandoned lot recently died and left his estate to his nephew who plans to sell this land. Does Margaret have any claim to this land? Describe this situation both in terms of the law and related public policies.