If the device draws 30A it will blow the 20A breaker. It is immaterial if it violates the National Electric Code because it is not a practicle thing to do and unsafe as well.
Into the standard 15 Amp receptacle. Receptacle and check the 30 Amp receptacle. Thing(s) in the RV will probably need to be repaired or replaced.
GFCI - My simple explanation.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.