1. 18 U.S.C. § 2(a).
2. 1913 Cal. Stats. ch. 324, §8a; see also Gieringer, The Origins of Cannabis Prohibition in California, Contemporary Drug Problems, 21-23 (rev. 2005).
3. 21 U.S.C. § 812(b)(1)(A)-(C), (c).
4. 21 U.S.C. § 841(a)(1).
5. 21 U.S.C. §§ 801-904.