Marijuana is the most commonly used illegal drug in the United States. According to the National Institute on Drug Abuse, a recent government study shows that more than 98 million Americans over the age of 12 have tried marijuana at least once in my life. 3 Main Points Preview: Today I will give you three informative points about marijuana and its legalization. First, what exactly is marijuana? Secondly, how does it affect us? Third and finally, I will talk about when it became illegal and the trend of states legalizing marijuana for medical and recreational purposes. Using these three points, I will try to enlighten you about marijuana and the legalization process. What is marijuana? According to WebMD, marijuana, or cannabis sativa, is a natural plant that contains several psychoactive ingredients, including delta-9 tetra hydro cannabinol (THC). Marijuana is usually used because the THC in marijuana creates a state of relaxation, relieves pain, and can give a feeling of euphoria. What marijuana looks like depends on how it will be used...