74 (old Harley Davidson motorcycle with 74 cubic inch motor)
Outlaw Motorcycle gangs often white supremacists (some groups allow Latino)
Fist is power
SOCAL = Southern California
DAGO = San Diego

Options:
A. Use of the missing bathroom curtain
B. The Duke City (nickname for Albuquerque)
C. University of New Mexico's Lobo logo
D. Asthma causes constriction of the tiny air passages in the lungs