The top reasons why marijuana should be legalized on a federal level are as simple as they come. Not only will it help our economy with employment opportunities, Dispensing opportunities, and banking opportunities, it also gives certain individuals who hold a criminal record or background a second chance. Not to mention it saves money while making money when it comes to Cultivation. After all, it is a medicine! The number one reason why it should be legalized. The Drug Police Alliance (DPA) believes that marijuana should be decriminalized and regulated just as tobacco and alcohol has been for decades.