The M19-M21 timelines are again off-limits throughout North America until further notice, unless you are doing research on extreme climate change. You should conclude your research as soon as possible, be licensed to drive a double-wide or triple-wide S.U.V. vehicle and should not expect to find a parking spot. Further, you will need to manage attacks by radioactive Texas boar-hounds, preposterously corpulent looters and, of course, more super-tornadoes.
Have cigars and/or clean drinking water on hand for bribes. As always, when working in an M divergent, a knowledge of creationist theory and climate change denial is essential.